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Finding the Fourth Proportional to 3,948,805.13, 5,923,207.71 and 956,989.13

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Solution

The fourth proportional to 3,948,805.13, 5,923,207.71 and 956,989.13 is: 1,435,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,805.13 : 5,923,207.71 = 956,989.13 : x
  2. Step 2: Convert to fraction form
    3,948,805.13/5,923,207.71 = 956,989.13/x
  3. Step 3: Cross multiply
    3,948,805.13x = 5,923,207.71 × 956,989.13
  4. Step 4: Simplify right side
    3,948,805.13x = 5,668,445,363,586.15
  5. Step 5: Solve for x
    x = 5,668,445,363,586.15/3,948,805.13
  6. Step 6: Final answer
    x = 1,435,483.69

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.