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Finding the Fourth Proportional to 61,747.62, 92,547.06 and 28,422.06

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Solution

The fourth proportional to 61,747.62, 92,547.06 and 28,422.06 is: 42,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,747.62 : 92,547.06 = 28,422.06 : x
  2. Step 2: Convert to fraction form
    61,747.62/92,547.06 = 28,422.06/x
  3. Step 3: Cross multiply
    61,747.62x = 92,547.06 × 28,422.06
  4. Step 4: Simplify right side
    61,747.62x = 2,630,378,092.14
  5. Step 5: Solve for x
    x = 2,630,378,092.14/61,747.62
  6. Step 6: Final answer
    x = 42,598.86

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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.