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Finding the Fourth Proportional to 83,362.04, 115,048.86 and 47,560.88

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Solution

The fourth proportional to 83,362.04, 115,048.86 and 47,560.88 is: 65,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,362.04 : 115,048.86 = 47,560.88 : x
  2. Step 2: Convert to fraction form
    83,362.04/115,048.86 = 47,560.88/x
  3. Step 3: Cross multiply
    83,362.04x = 115,048.86 × 47,560.88
  4. Step 4: Simplify right side
    83,362.04x = 5,471,825,024.60
  5. Step 5: Solve for x
    x = 5,471,825,024.60/83,362.04
  6. Step 6: Final answer
    x = 65,639.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.