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Finding the Fourth Proportional to 61,197.90, 91,742.18 and 29,590.28

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Solution

The fourth proportional to 61,197.90, 91,742.18 and 29,590.28 is: 44,358.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,197.90 : 91,742.18 = 29,590.28 : x
  2. Step 2: Convert to fraction form
    61,197.90/91,742.18 = 29,590.28/x
  3. Step 3: Cross multiply
    61,197.90x = 91,742.18 × 29,590.28
  4. Step 4: Simplify right side
    61,197.90x = 2,714,676,794.01
  5. Step 5: Solve for x
    x = 2,714,676,794.01/61,197.90
  6. Step 6: Final answer
    x = 44,358.99

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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.