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Finding the Fourth Proportional to 60,955.68, 91,440.72 and 25,875.84

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Solution

The fourth proportional to 60,955.68, 91,440.72 and 25,875.84 is: 38,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,955.68 : 91,440.72 = 25,875.84 : x
  2. Step 2: Convert to fraction form
    60,955.68/91,440.72 = 25,875.84/x
  3. Step 3: Cross multiply
    60,955.68x = 91,440.72 × 25,875.84
  4. Step 4: Simplify right side
    60,955.68x = 2,366,105,440.20
  5. Step 5: Solve for x
    x = 2,366,105,440.20/60,955.68
  6. Step 6: Final answer
    x = 38,816.82

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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.