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Finding the Fourth Proportional to 38,710.98, 58,065.24 and 11,008.98

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Solution

The fourth proportional to 38,710.98, 58,065.24 and 11,008.98 is: 16,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,710.98 : 58,065.24 = 11,008.98 : x
  2. Step 2: Convert to fraction form
    38,710.98/58,065.24 = 11,008.98/x
  3. Step 3: Cross multiply
    38,710.98x = 58,065.24 × 11,008.98
  4. Step 4: Simplify right side
    38,710.98x = 639,239,065.86
  5. Step 5: Solve for x
    x = 639,239,065.86/38,710.98
  6. Step 6: Final answer
    x = 16,513.12

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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.