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Finding the Fourth Proportional to 83,650.62, 115,437.95 and 45,410.15

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Solution

The fourth proportional to 83,650.62, 115,437.95 and 45,410.15 is: 62,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,650.62 : 115,437.95 = 45,410.15 : x
  2. Step 2: Convert to fraction form
    83,650.62/115,437.95 = 45,410.15/x
  3. Step 3: Cross multiply
    83,650.62x = 115,437.95 × 45,410.15
  4. Step 4: Simplify right side
    83,650.62x = 5,242,054,625.19
  5. Step 5: Solve for x
    x = 5,242,054,625.19/83,650.62
  6. Step 6: Final answer
    x = 62,666.06

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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.