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Finding the Fourth Proportional to 61,292.42, 84,585.72 and 34,434.39

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Solution

The fourth proportional to 61,292.42, 84,585.72 and 34,434.39 is: 47,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,292.42 : 84,585.72 = 34,434.39 : x
  2. Step 2: Convert to fraction form
    61,292.42/84,585.72 = 34,434.39/x
  3. Step 3: Cross multiply
    61,292.42x = 84,585.72 × 34,434.39
  4. Step 4: Simplify right side
    61,292.42x = 2,912,657,685.65
  5. Step 5: Solve for x
    x = 2,912,657,685.65/61,292.42
  6. Step 6: Final answer
    x = 47,520.68

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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.