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Finding the Fourth Proportional to 61,434.92, 84,784.62 and 34,580.12

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Solution

The fourth proportional to 61,434.92, 84,784.62 and 34,580.12 is: 47,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,434.92 : 84,784.62 = 34,580.12 : x
  2. Step 2: Convert to fraction form
    61,434.92/84,784.62 = 34,580.12/x
  3. Step 3: Cross multiply
    61,434.92x = 84,784.62 × 34,580.12
  4. Step 4: Simplify right side
    61,434.92x = 2,931,862,333.75
  5. Step 5: Solve for x
    x = 2,931,862,333.75/61,434.92
  6. Step 6: Final answer
    x = 47,723.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.