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Finding the Fourth Proportional to 64,287.93, 96,431.88 and 29,237.61

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Solution

The fourth proportional to 64,287.93, 96,431.88 and 29,237.61 is: 43,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,287.93 : 96,431.88 = 29,237.61 : x
  2. Step 2: Convert to fraction form
    64,287.93/96,431.88 = 29,237.61/x
  3. Step 3: Cross multiply
    64,287.93x = 96,431.88 × 29,237.61
  4. Step 4: Simplify right side
    64,287.93x = 2,819,437,699.01
  5. Step 5: Solve for x
    x = 2,819,437,699.01/64,287.93
  6. Step 6: Final answer
    x = 43,856.41

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1.5x scale

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.