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Finding the Fourth Proportional to 36,702.68, 55,054.20 and 10,407.20

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Solution

The fourth proportional to 36,702.68, 55,054.20 and 10,407.20 is: 15,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.68 : 55,054.20 = 10,407.20 : x
  2. Step 2: Convert to fraction form
    36,702.68/55,054.20 = 10,407.20/x
  3. Step 3: Cross multiply
    36,702.68x = 55,054.20 × 10,407.20
  4. Step 4: Simplify right side
    36,702.68x = 572,960,070.24
  5. Step 5: Solve for x
    x = 572,960,070.24/36,702.68
  6. Step 6: Final answer
    x = 15,610.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.