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Finding the Fourth Proportional to 7,866.48, 11,799.72 and 3,482.76

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Solution

The fourth proportional to 7,866.48, 11,799.72 and 3,482.76 is: 5,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.48 : 11,799.72 = 3,482.76 : x
  2. Step 2: Convert to fraction form
    7,866.48/11,799.72 = 3,482.76/x
  3. Step 3: Cross multiply
    7,866.48x = 11,799.72 × 3,482.76
  4. Step 4: Simplify right side
    7,866.48x = 41,095,592.83
  5. Step 5: Solve for x
    x = 41,095,592.83/7,866.48
  6. Step 6: Final answer
    x = 5,224.14

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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.