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Finding the Fourth Proportional to 58,904.10, 88,356.15 and 25,640.10

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Solution

The fourth proportional to 58,904.10, 88,356.15 and 25,640.10 is: 38,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,904.10 : 88,356.15 = 25,640.10 : x
  2. Step 2: Convert to fraction form
    58,904.10/88,356.15 = 25,640.10/x
  3. Step 3: Cross multiply
    58,904.10x = 88,356.15 × 25,640.10
  4. Step 4: Simplify right side
    58,904.10x = 2,265,460,521.62
  5. Step 5: Solve for x
    x = 2,265,460,521.62/58,904.10
  6. Step 6: Final answer
    x = 38,460.15

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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.