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Finding the Fourth Proportional to 64,759.32, 97,134.51 and 39,803.22

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Solution

The fourth proportional to 64,759.32, 97,134.51 and 39,803.22 is: 59,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,759.32 : 97,134.51 = 39,803.22 : x
  2. Step 2: Convert to fraction form
    64,759.32/97,134.51 = 39,803.22/x
  3. Step 3: Cross multiply
    64,759.32x = 97,134.51 × 39,803.22
  4. Step 4: Simplify right side
    64,759.32x = 3,866,265,785.45
  5. Step 5: Solve for x
    x = 3,866,265,785.45/64,759.32
  6. Step 6: Final answer
    x = 59,702.08

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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.