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Finding the Fourth Proportional to 7,482.24, 11,214.72 and 7,110.72

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Solution

The fourth proportional to 7,482.24, 11,214.72 and 7,110.72 is: 10,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.24 : 11,214.72 = 7,110.72 : x
  2. Step 2: Convert to fraction form
    7,482.24/11,214.72 = 7,110.72/x
  3. Step 3: Cross multiply
    7,482.24x = 11,214.72 × 7,110.72
  4. Step 4: Simplify right side
    7,482.24x = 79,744,733.80
  5. Step 5: Solve for x
    x = 79,744,733.80/7,482.24
  6. Step 6: Final answer
    x = 10,657.87

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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.