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Finding the Fourth Proportional to 12,502.52, 17,253.48 and 7,124.80

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Solution

The fourth proportional to 12,502.52, 17,253.48 and 7,124.80 is: 9,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.52 : 17,253.48 = 7,124.80 : x
  2. Step 2: Convert to fraction form
    12,502.52/17,253.48 = 7,124.80/x
  3. Step 3: Cross multiply
    12,502.52x = 17,253.48 × 7,124.80
  4. Step 4: Simplify right side
    12,502.52x = 122,927,594.30
  5. Step 5: Solve for x
    x = 122,927,594.30/12,502.52
  6. Step 6: Final answer
    x = 9,832.23

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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.