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Finding the Fourth Proportional to 39,417.98, 59,082.99 and 15,719.30

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Solution

The fourth proportional to 39,417.98, 59,082.99 and 15,719.30 is: 23,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,417.98 : 59,082.99 = 15,719.30 : x
  2. Step 2: Convert to fraction form
    39,417.98/59,082.99 = 15,719.30/x
  3. Step 3: Cross multiply
    39,417.98x = 59,082.99 × 15,719.30
  4. Step 4: Simplify right side
    39,417.98x = 928,743,111.91
  5. Step 5: Solve for x
    x = 928,743,111.91/39,417.98
  6. Step 6: Final answer
    x = 23,561.41

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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.