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Finding the Fourth Proportional to 8,331.56, 12,482.76 and 7,013.89

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Solution

The fourth proportional to 8,331.56, 12,482.76 and 7,013.89 is: 10,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.56 : 12,482.76 = 7,013.89 : x
  2. Step 2: Convert to fraction form
    8,331.56/12,482.76 = 7,013.89/x
  3. Step 3: Cross multiply
    8,331.56x = 12,482.76 × 7,013.89
  4. Step 4: Simplify right side
    8,331.56x = 87,552,707.99
  5. Step 5: Solve for x
    x = 87,552,707.99/8,331.56
  6. Step 6: Final answer
    x = 10,508.56

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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.