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Finding the Fourth Proportional to 59,160.79, 81,645.20 and 32,305.80

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Solution

The fourth proportional to 59,160.79, 81,645.20 and 32,305.80 is: 44,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,160.79 : 81,645.20 = 32,305.80 : x
  2. Step 2: Convert to fraction form
    59,160.79/81,645.20 = 32,305.80/x
  3. Step 3: Cross multiply
    59,160.79x = 81,645.20 × 32,305.80
  4. Step 4: Simplify right side
    59,160.79x = 2,637,613,502.16
  5. Step 5: Solve for x
    x = 2,637,613,502.16/59,160.79
  6. Step 6: Final answer
    x = 44,583.81

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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.