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Finding the Fourth Proportional to 61,314.30, 84,608.51 and 34,454.70

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Solution

The fourth proportional to 61,314.30, 84,608.51 and 34,454.70 is: 47,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,314.30 : 84,608.51 = 34,454.70 : x
  2. Step 2: Convert to fraction form
    61,314.30/84,608.51 = 34,454.70/x
  3. Step 3: Cross multiply
    61,314.30x = 84,608.51 × 34,454.70
  4. Step 4: Simplify right side
    61,314.30x = 2,915,160,657.22
  5. Step 5: Solve for x
    x = 2,915,160,657.22/61,314.30
  6. Step 6: Final answer
    x = 47,544.55

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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.