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Finding the Fourth Proportional to 83,594.88, 115,359.36 and 45,868.80

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Solution

The fourth proportional to 83,594.88, 115,359.36 and 45,868.80 is: 63,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,594.88 : 115,359.36 = 45,868.80 : x
  2. Step 2: Convert to fraction form
    83,594.88/115,359.36 = 45,868.80/x
  3. Step 3: Cross multiply
    83,594.88x = 115,359.36 × 45,868.80
  4. Step 4: Simplify right side
    83,594.88x = 5,291,395,411.97
  5. Step 5: Solve for x
    x = 5,291,395,411.97/83,594.88
  6. Step 6: Final answer
    x = 63,298.08

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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.