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Finding the Fourth Proportional to 61,489.79, 92,026.19 and 37,812.21

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Solution

The fourth proportional to 61,489.79, 92,026.19 and 37,812.21 is: 56,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,489.79 : 92,026.19 = 37,812.21 : x
  2. Step 2: Convert to fraction form
    61,489.79/92,026.19 = 37,812.21/x
  3. Step 3: Cross multiply
    61,489.79x = 92,026.19 × 37,812.21
  4. Step 4: Simplify right side
    61,489.79x = 3,479,713,621.78
  5. Step 5: Solve for x
    x = 3,479,713,621.78/61,489.79
  6. Step 6: Final answer
    x = 56,590.10

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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.