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Finding the Fourth Proportional to 48,089.99, 72,134.99 and 13,028.73

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Solution

The fourth proportional to 48,089.99, 72,134.99 and 13,028.73 is: 19,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,089.99 : 72,134.99 = 13,028.73 : x
  2. Step 2: Convert to fraction form
    48,089.99/72,134.99 = 13,028.73/x
  3. Step 3: Cross multiply
    48,089.99x = 72,134.99 × 13,028.73
  4. Step 4: Simplify right side
    48,089.99x = 939,827,243.12
  5. Step 5: Solve for x
    x = 939,827,243.12/48,089.99
  6. Step 6: Final answer
    x = 19,543.10

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Double scale
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Similar ratio
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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.