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Finding the Fourth Proportional to 39,173.28, 58,760.16 and 9,590.88

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Solution

The fourth proportional to 39,173.28, 58,760.16 and 9,590.88 is: 14,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.28 : 58,760.16 = 9,590.88 : x
  2. Step 2: Convert to fraction form
    39,173.28/58,760.16 = 9,590.88/x
  3. Step 3: Cross multiply
    39,173.28x = 58,760.16 × 9,590.88
  4. Step 4: Simplify right side
    39,173.28x = 563,561,643.34
  5. Step 5: Solve for x
    x = 563,561,643.34/39,173.28
  6. Step 6: Final answer
    x = 14,386.38

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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.