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Finding the Fourth Proportional to 61,348.55, 84,660.48 and 34,491.17

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Solution

The fourth proportional to 61,348.55, 84,660.48 and 34,491.17 is: 47,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,348.55 : 84,660.48 = 34,491.17 : x
  2. Step 2: Convert to fraction form
    61,348.55/84,660.48 = 34,491.17/x
  3. Step 3: Cross multiply
    61,348.55x = 84,660.48 × 34,491.17
  4. Step 4: Simplify right side
    61,348.55x = 2,920,039,219.61
  5. Step 5: Solve for x
    x = 2,920,039,219.61/61,348.55
  6. Step 6: Final answer
    x = 47,597.53

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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.