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Finding the Fourth Proportional to 5,245,853.76, 7,868,794.68 and 1,459,337.04

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Solution

The fourth proportional to 5,245,853.76, 7,868,794.68 and 1,459,337.04 is: 2,189,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245,853.76 : 7,868,794.68 = 1,459,337.04 : x
  2. Step 2: Convert to fraction form
    5,245,853.76/7,868,794.68 = 1,459,337.04/x
  3. Step 3: Cross multiply
    5,245,853.76x = 7,868,794.68 × 1,459,337.04
  4. Step 4: Simplify right side
    5,245,853.76x = 11,483,223,536,678.95
  5. Step 5: Solve for x
    x = 11,483,223,536,678.95/5,245,853.76
  6. Step 6: Final answer
    x = 2,189,009.47

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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.