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Finding the Fourth Proportional to 68,040.60, 102,045.30 and 25,925.46

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Solution

The fourth proportional to 68,040.60, 102,045.30 and 25,925.46 is: 38,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,040.60 : 102,045.30 = 25,925.46 : x
  2. Step 2: Convert to fraction form
    68,040.60/102,045.30 = 25,925.46/x
  3. Step 3: Cross multiply
    68,040.60x = 102,045.30 × 25,925.46
  4. Step 4: Simplify right side
    68,040.60x = 2,645,571,343.34
  5. Step 5: Solve for x
    x = 2,645,571,343.34/68,040.60
  6. Step 6: Final answer
    x = 38,882.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.