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Finding the Fourth Proportional to 64,590.66, 96,867.16 and 25,138.40

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Solution

The fourth proportional to 64,590.66, 96,867.16 and 25,138.40 is: 37,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,590.66 : 96,867.16 = 25,138.40 : x
  2. Step 2: Convert to fraction form
    64,590.66/96,867.16 = 25,138.40/x
  3. Step 3: Cross multiply
    64,590.66x = 96,867.16 × 25,138.40
  4. Step 4: Simplify right side
    64,590.66x = 2,435,084,804.92
  5. Step 5: Solve for x
    x = 2,435,084,804.92/64,590.66
  6. Step 6: Final answer
    x = 37,700.26

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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.