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Finding the Fourth Proportional to 61,490.68, 92,186.20 and 25,928.98

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Solution

The fourth proportional to 61,490.68, 92,186.20 and 25,928.98 is: 38,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,490.68 : 92,186.20 = 25,928.98 : x
  2. Step 2: Convert to fraction form
    61,490.68/92,186.20 = 25,928.98/x
  3. Step 3: Cross multiply
    61,490.68x = 92,186.20 × 25,928.98
  4. Step 4: Simplify right side
    61,490.68x = 2,390,294,136.08
  5. Step 5: Solve for x
    x = 2,390,294,136.08/61,490.68
  6. Step 6: Final answer
    x = 38,872.46

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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.