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Finding the Fourth Proportional to 28,452, 39,132.54 and 24,909.06

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Solution

The fourth proportional to 28,452, 39,132.54 and 24,909.06 is: 34,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452 : 39,132.54 = 24,909.06 : x
  2. Step 2: Convert to fraction form
    28,452/39,132.54 = 24,909.06/x
  3. Step 3: Cross multiply
    28,452x = 39,132.54 × 24,909.06
  4. Step 4: Simplify right side
    28,452x = 974,754,786.81
  5. Step 5: Solve for x
    x = 974,754,786.81/28,452
  6. Step 6: Final answer
    x = 34,259.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.