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Finding the Fourth Proportional to 64,399.99, 96,560.70 and 28,854.76

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Solution

The fourth proportional to 64,399.99, 96,560.70 and 28,854.76 is: 43,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,399.99 : 96,560.70 = 28,854.76 : x
  2. Step 2: Convert to fraction form
    64,399.99/96,560.70 = 28,854.76/x
  3. Step 3: Cross multiply
    64,399.99x = 96,560.70 × 28,854.76
  4. Step 4: Simplify right side
    64,399.99x = 2,786,235,823.93
  5. Step 5: Solve for x
    x = 2,786,235,823.93/64,399.99
  6. Step 6: Final answer
    x = 43,264.54

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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.