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Finding the Fourth Proportional to 45,713.70, 63,081.72 and 25,569.54

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Solution

The fourth proportional to 45,713.70, 63,081.72 and 25,569.54 is: 35,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,713.70 : 63,081.72 = 25,569.54 : x
  2. Step 2: Convert to fraction form
    45,713.70/63,081.72 = 25,569.54/x
  3. Step 3: Cross multiply
    45,713.70x = 63,081.72 × 25,569.54
  4. Step 4: Simplify right side
    45,713.70x = 1,612,970,562.81
  5. Step 5: Solve for x
    x = 1,612,970,562.81/45,713.70
  6. Step 6: Final answer
    x = 35,284.18

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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.