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Finding the Fourth Proportional to 61,902.70, 92,854.05 and 43,240.30

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Solution

The fourth proportional to 61,902.70, 92,854.05 and 43,240.30 is: 64,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,902.70 : 92,854.05 = 43,240.30 : x
  2. Step 2: Convert to fraction form
    61,902.70/92,854.05 = 43,240.30/x
  3. Step 3: Cross multiply
    61,902.70x = 92,854.05 × 43,240.30
  4. Step 4: Simplify right side
    61,902.70x = 4,015,036,978.22
  5. Step 5: Solve for x
    x = 4,015,036,978.22/61,902.70
  6. Step 6: Final answer
    x = 64,860.45

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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.