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Finding the Fourth Proportional to 16,645.48, 24,968.26 and 9,715.12

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Solution

The fourth proportional to 16,645.48, 24,968.26 and 9,715.12 is: 14,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645.48 : 24,968.26 = 9,715.12 : x
  2. Step 2: Convert to fraction form
    16,645.48/24,968.26 = 9,715.12/x
  3. Step 3: Cross multiply
    16,645.48x = 24,968.26 × 9,715.12
  4. Step 4: Simplify right side
    16,645.48x = 242,569,642.09
  5. Step 5: Solve for x
    x = 242,569,642.09/16,645.48
  6. Step 6: Final answer
    x = 14,572.70

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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.