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Finding the Fourth Proportional to 19,187.01, 28,780.52 and 6,040.71

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Solution

The fourth proportional to 19,187.01, 28,780.52 and 6,040.71 is: 9,061.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.01 : 28,780.52 = 6,040.71 : x
  2. Step 2: Convert to fraction form
    19,187.01/28,780.52 = 6,040.71/x
  3. Step 3: Cross multiply
    19,187.01x = 28,780.52 × 6,040.71
  4. Step 4: Simplify right side
    19,187.01x = 173,854,744.77
  5. Step 5: Solve for x
    x = 173,854,744.77/19,187.01
  6. Step 6: Final answer
    x = 9,061.07

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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.