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Finding the Fourth Proportional to 45,612.74, 62,940.02 and 25,470.74

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Solution

The fourth proportional to 45,612.74, 62,940.02 and 25,470.74 is: 35,146.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,612.74 : 62,940.02 = 25,470.74 : x
  2. Step 2: Convert to fraction form
    45,612.74/62,940.02 = 25,470.74/x
  3. Step 3: Cross multiply
    45,612.74x = 62,940.02 × 25,470.74
  4. Step 4: Simplify right side
    45,612.74x = 1,603,128,885.01
  5. Step 5: Solve for x
    x = 1,603,128,885.01/45,612.74
  6. Step 6: Final answer
    x = 35,146.52

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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.