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Finding the Fourth Proportional to 16,551.64, 22,841.16 and 9,382.90

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Solution

The fourth proportional to 16,551.64, 22,841.16 and 9,382.90 is: 12,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,551.64 : 22,841.16 = 9,382.90 : x
  2. Step 2: Convert to fraction form
    16,551.64/22,841.16 = 9,382.90/x
  3. Step 3: Cross multiply
    16,551.64x = 22,841.16 × 9,382.90
  4. Step 4: Simplify right side
    16,551.64x = 214,316,409.14
  5. Step 5: Solve for x
    x = 214,316,409.14/16,551.64
  6. Step 6: Final answer
    x = 12,948.35

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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.