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Finding the Fourth Proportional to 39,294.32, 58,941.53 and 9,711.70

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Solution

The fourth proportional to 39,294.32, 58,941.53 and 9,711.70 is: 14,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,294.32 : 58,941.53 = 9,711.70 : x
  2. Step 2: Convert to fraction form
    39,294.32/58,941.53 = 9,711.70/x
  3. Step 3: Cross multiply
    39,294.32x = 58,941.53 × 9,711.70
  4. Step 4: Simplify right side
    39,294.32x = 572,422,555.70
  5. Step 5: Solve for x
    x = 572,422,555.70/39,294.32
  6. Step 6: Final answer
    x = 14,567.56

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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.