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Finding the Fourth Proportional to 14,801.52, 20,423.34 and 8,752.71

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Solution

The fourth proportional to 14,801.52, 20,423.34 and 8,752.71 is: 12,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.52 : 20,423.34 = 8,752.71 : x
  2. Step 2: Convert to fraction form
    14,801.52/20,423.34 = 8,752.71/x
  3. Step 3: Cross multiply
    14,801.52x = 20,423.34 × 8,752.71
  4. Step 4: Simplify right side
    14,801.52x = 178,759,572.25
  5. Step 5: Solve for x
    x = 178,759,572.25/14,801.52
  6. Step 6: Final answer
    x = 12,077.11

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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.