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Finding the Fourth Proportional to 60,955.26, 91,432.90 and 25,870.32

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Solution

The fourth proportional to 60,955.26, 91,432.90 and 25,870.32 is: 38,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,955.26 : 91,432.90 = 25,870.32 : x
  2. Step 2: Convert to fraction form
    60,955.26/91,432.90 = 25,870.32/x
  3. Step 3: Cross multiply
    60,955.26x = 91,432.90 × 25,870.32
  4. Step 4: Simplify right side
    60,955.26x = 2,365,398,381.53
  5. Step 5: Solve for x
    x = 2,365,398,381.53/60,955.26
  6. Step 6: Final answer
    x = 38,805.48

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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.