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Finding the Fourth Proportional to 66,098.90, 99,049.91 and 36,525.20

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Solution

The fourth proportional to 66,098.90, 99,049.91 and 36,525.20 is: 54,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,098.90 : 99,049.91 = 36,525.20 : x
  2. Step 2: Convert to fraction form
    66,098.90/99,049.91 = 36,525.20/x
  3. Step 3: Cross multiply
    66,098.90x = 99,049.91 × 36,525.20
  4. Step 4: Simplify right side
    66,098.90x = 3,617,817,094.86
  5. Step 5: Solve for x
    x = 3,617,817,094.86/66,098.90
  6. Step 6: Final answer
    x = 54,733.39

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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.