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Finding the Fourth Proportional to 61,207.88, 84,459.94 and 34,344.84

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Solution

The fourth proportional to 61,207.88, 84,459.94 and 34,344.84 is: 47,391.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,207.88 : 84,459.94 = 34,344.84 : x
  2. Step 2: Convert to fraction form
    61,207.88/84,459.94 = 34,344.84/x
  3. Step 3: Cross multiply
    61,207.88x = 84,459.94 × 34,344.84
  4. Step 4: Simplify right side
    61,207.88x = 2,900,763,125.71
  5. Step 5: Solve for x
    x = 2,900,763,125.71/61,207.88
  6. Step 6: Final answer
    x = 47,391.99

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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.