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Finding the Fourth Proportional to 23,140.98, 34,711.48 and 7,347.69

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Solution

The fourth proportional to 23,140.98, 34,711.48 and 7,347.69 is: 11,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.98 : 34,711.48 = 7,347.69 : x
  2. Step 2: Convert to fraction form
    23,140.98/34,711.48 = 7,347.69/x
  3. Step 3: Cross multiply
    23,140.98x = 34,711.48 × 7,347.69
  4. Step 4: Simplify right side
    23,140.98x = 255,049,176.11
  5. Step 5: Solve for x
    x = 255,049,176.11/23,140.98
  6. Step 6: Final answer
    x = 11,021.54

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Double scale
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1.5x scale

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.