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Finding the Fourth Proportional to 61,054.71, 84,258.68 and 34,195.65

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Solution

The fourth proportional to 61,054.71, 84,258.68 and 34,195.65 is: 47,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,054.71 : 84,258.68 = 34,195.65 : x
  2. Step 2: Convert to fraction form
    61,054.71/84,258.68 = 34,195.65/x
  3. Step 3: Cross multiply
    61,054.71x = 84,258.68 × 34,195.65
  4. Step 4: Simplify right side
    61,054.71x = 2,881,280,159.76
  5. Step 5: Solve for x
    x = 2,881,280,159.76/61,054.71
  6. Step 6: Final answer
    x = 47,191.78

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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.