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Finding the Fourth Proportional to 25,938.65, 38,898.48 and 9,294.23

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Solution

The fourth proportional to 25,938.65, 38,898.48 and 9,294.23 is: 13,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,938.65 : 38,898.48 = 9,294.23 : x
  2. Step 2: Convert to fraction form
    25,938.65/38,898.48 = 9,294.23/x
  3. Step 3: Cross multiply
    25,938.65x = 38,898.48 × 9,294.23
  4. Step 4: Simplify right side
    25,938.65x = 361,531,419.77
  5. Step 5: Solve for x
    x = 361,531,419.77/25,938.65
  6. Step 6: Final answer
    x = 13,937.94

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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.