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Finding the Fourth Proportional to 14,541.66, 20,068.14 and 8,254.62

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Solution

The fourth proportional to 14,541.66, 20,068.14 and 8,254.62 is: 11,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541.66 : 20,068.14 = 8,254.62 : x
  2. Step 2: Convert to fraction form
    14,541.66/20,068.14 = 8,254.62/x
  3. Step 3: Cross multiply
    14,541.66x = 20,068.14 × 8,254.62
  4. Step 4: Simplify right side
    14,541.66x = 165,654,869.81
  5. Step 5: Solve for x
    x = 165,654,869.81/14,541.66
  6. Step 6: Final answer
    x = 11,391.74

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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.