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Finding the Fourth Proportional to 56,695.65, 85,028.22 and 17,242.17

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Solution

The fourth proportional to 56,695.65, 85,028.22 and 17,242.17 is: 25,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695.65 : 85,028.22 = 17,242.17 : x
  2. Step 2: Convert to fraction form
    56,695.65/85,028.22 = 17,242.17/x
  3. Step 3: Cross multiply
    56,695.65x = 85,028.22 × 17,242.17
  4. Step 4: Simplify right side
    56,695.65x = 1,466,071,024.04
  5. Step 5: Solve for x
    x = 1,466,071,024.04/56,695.65
  6. Step 6: Final answer
    x = 25,858.62

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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.