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Finding the Fourth Proportional to 83,702.99, 115,510.98 and 45,462.91

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Solution

The fourth proportional to 83,702.99, 115,510.98 and 45,462.91 is: 62,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,702.99 : 115,510.98 = 45,462.91 : x
  2. Step 2: Convert to fraction form
    83,702.99/115,510.98 = 45,462.91/x
  3. Step 3: Cross multiply
    83,702.99x = 115,510.98 × 45,462.91
  4. Step 4: Simplify right side
    83,702.99x = 5,251,465,130.31
  5. Step 5: Solve for x
    x = 5,251,465,130.31/83,702.99
  6. Step 6: Final answer
    x = 62,739.28

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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.