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Finding the Fourth Proportional to 60,745.52, 91,152.30 and 25,711.40

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Solution

The fourth proportional to 60,745.52, 91,152.30 and 25,711.40 is: 38,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,745.52 : 91,152.30 = 25,711.40 : x
  2. Step 2: Convert to fraction form
    60,745.52/91,152.30 = 25,711.40/x
  3. Step 3: Cross multiply
    60,745.52x = 91,152.30 × 25,711.40
  4. Step 4: Simplify right side
    60,745.52x = 2,343,653,246.22
  5. Step 5: Solve for x
    x = 2,343,653,246.22/60,745.52
  6. Step 6: Final answer
    x = 38,581.50

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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.