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Finding the Fourth Proportional to 64,758.88, 97,162.80 and 25,344.16

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Solution

The fourth proportional to 64,758.88, 97,162.80 and 25,344.16 is: 38,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.88 : 97,162.80 = 25,344.16 : x
  2. Step 2: Convert to fraction form
    64,758.88/97,162.80 = 25,344.16/x
  3. Step 3: Cross multiply
    64,758.88x = 97,162.80 × 25,344.16
  4. Step 4: Simplify right side
    64,758.88x = 2,462,509,549.25
  5. Step 5: Solve for x
    x = 2,462,509,549.25/64,758.88
  6. Step 6: Final answer
    x = 38,025.82

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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.