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Finding the Fourth Proportional to 57,502.16, 86,225.95 and 20,057.68

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Solution

The fourth proportional to 57,502.16, 86,225.95 and 20,057.68 is: 30,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,502.16 : 86,225.95 = 20,057.68 : x
  2. Step 2: Convert to fraction form
    57,502.16/86,225.95 = 20,057.68/x
  3. Step 3: Cross multiply
    57,502.16x = 86,225.95 × 20,057.68
  4. Step 4: Simplify right side
    57,502.16x = 1,729,492,645.65
  5. Step 5: Solve for x
    x = 1,729,492,645.65/57,502.16
  6. Step 6: Final answer
    x = 30,077.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.