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Finding the Fourth Proportional to 61,647.60, 92,514.60 and 26,612.40

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Solution

The fourth proportional to 61,647.60, 92,514.60 and 26,612.40 is: 39,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,647.60 : 92,514.60 = 26,612.40 : x
  2. Step 2: Convert to fraction form
    61,647.60/92,514.60 = 26,612.40/x
  3. Step 3: Cross multiply
    61,647.60x = 92,514.60 × 26,612.40
  4. Step 4: Simplify right side
    61,647.60x = 2,462,035,541.04
  5. Step 5: Solve for x
    x = 2,462,035,541.04/61,647.60
  6. Step 6: Final answer
    x = 39,937.25

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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.