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Finding the Fourth Proportional to 61,882.32, 92,808.60 and 28,570.38

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Solution

The fourth proportional to 61,882.32, 92,808.60 and 28,570.38 is: 42,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,882.32 : 92,808.60 = 28,570.38 : x
  2. Step 2: Convert to fraction form
    61,882.32/92,808.60 = 28,570.38/x
  3. Step 3: Cross multiply
    61,882.32x = 92,808.60 × 28,570.38
  4. Step 4: Simplify right side
    61,882.32x = 2,651,576,969.27
  5. Step 5: Solve for x
    x = 2,651,576,969.27/61,882.32
  6. Step 6: Final answer
    x = 42,848.70

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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.