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Finding the Fourth Proportional to 61,095.72, 91,579.62 and 25,577.40

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Solution

The fourth proportional to 61,095.72, 91,579.62 and 25,577.40 is: 38,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,095.72 : 91,579.62 = 25,577.40 : x
  2. Step 2: Convert to fraction form
    61,095.72/91,579.62 = 25,577.40/x
  3. Step 3: Cross multiply
    61,095.72x = 91,579.62 × 25,577.40
  4. Step 4: Simplify right side
    61,095.72x = 2,342,368,572.59
  5. Step 5: Solve for x
    x = 2,342,368,572.59/61,095.72
  6. Step 6: Final answer
    x = 38,339.32

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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.