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Finding the Fourth Proportional to 61,114.16, 91,612.92 and 19,532.72

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Solution

The fourth proportional to 61,114.16, 91,612.92 and 19,532.72 is: 29,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,114.16 : 91,612.92 = 19,532.72 : x
  2. Step 2: Convert to fraction form
    61,114.16/91,612.92 = 19,532.72/x
  3. Step 3: Cross multiply
    61,114.16x = 91,612.92 × 19,532.72
  4. Step 4: Simplify right side
    61,114.16x = 1,789,449,514.74
  5. Step 5: Solve for x
    x = 1,789,449,514.74/61,114.16
  6. Step 6: Final answer
    x = 29,280.44

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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.