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Finding the Fourth Proportional to 45,711, 63,079.46 and 25,569.74

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Solution

The fourth proportional to 45,711, 63,079.46 and 25,569.74 is: 35,285.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,711 : 63,079.46 = 25,569.74 : x
  2. Step 2: Convert to fraction form
    45,711/63,079.46 = 25,569.74/x
  3. Step 3: Cross multiply
    45,711x = 63,079.46 × 25,569.74
  4. Step 4: Simplify right side
    45,711x = 1,612,925,517.28
  5. Step 5: Solve for x
    x = 1,612,925,517.28/45,711
  6. Step 6: Final answer
    x = 35,285.28

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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.