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Finding the Fourth Proportional to 12,060.91, 16,652.18 and 7,530.49

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Solution

The fourth proportional to 12,060.91, 16,652.18 and 7,530.49 is: 10,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.91 : 16,652.18 = 7,530.49 : x
  2. Step 2: Convert to fraction form
    12,060.91/16,652.18 = 7,530.49/x
  3. Step 3: Cross multiply
    12,060.91x = 16,652.18 × 7,530.49
  4. Step 4: Simplify right side
    12,060.91x = 125,399,114.61
  5. Step 5: Solve for x
    x = 125,399,114.61/12,060.91
  6. Step 6: Final answer
    x = 10,397.15

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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.