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Finding the Fourth Proportional to 28,884.48, 43,332.48 and 10,417.92

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Solution

The fourth proportional to 28,884.48, 43,332.48 and 10,417.92 is: 15,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.48 : 43,332.48 = 10,417.92 : x
  2. Step 2: Convert to fraction form
    28,884.48/43,332.48 = 10,417.92/x
  3. Step 3: Cross multiply
    28,884.48x = 43,332.48 × 10,417.92
  4. Step 4: Simplify right side
    28,884.48x = 451,434,310.04
  5. Step 5: Solve for x
    x = 451,434,310.04/28,884.48
  6. Step 6: Final answer
    x = 15,628.96

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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.