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Finding the Fourth Proportional to 16,448.60, 24,672.90 and 9,887.60

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Solution

The fourth proportional to 16,448.60, 24,672.90 and 9,887.60 is: 14,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,448.60 : 24,672.90 = 9,887.60 : x
  2. Step 2: Convert to fraction form
    16,448.60/24,672.90 = 9,887.60/x
  3. Step 3: Cross multiply
    16,448.60x = 24,672.90 × 9,887.60
  4. Step 4: Simplify right side
    16,448.60x = 243,955,766.04
  5. Step 5: Solve for x
    x = 243,955,766.04/16,448.60
  6. Step 6: Final answer
    x = 14,831.40

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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.