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Finding the Fourth Proportional to 7,368.72, 11,053.80 and 2,437.20

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Solution

The fourth proportional to 7,368.72, 11,053.80 and 2,437.20 is: 3,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.72 : 11,053.80 = 2,437.20 : x
  2. Step 2: Convert to fraction form
    7,368.72/11,053.80 = 2,437.20/x
  3. Step 3: Cross multiply
    7,368.72x = 11,053.80 × 2,437.20
  4. Step 4: Simplify right side
    7,368.72x = 26,940,321.36
  5. Step 5: Solve for x
    x = 26,940,321.36/7,368.72
  6. Step 6: Final answer
    x = 3,656.04

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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.