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Finding the Fourth Proportional to 7,387.04, 11,070.99 and 3,002.11

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Solution

The fourth proportional to 7,387.04, 11,070.99 and 3,002.11 is: 4,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.04 : 11,070.99 = 3,002.11 : x
  2. Step 2: Convert to fraction form
    7,387.04/11,070.99 = 3,002.11/x
  3. Step 3: Cross multiply
    7,387.04x = 11,070.99 × 3,002.11
  4. Step 4: Simplify right side
    7,387.04x = 33,236,329.79
  5. Step 5: Solve for x
    x = 33,236,329.79/7,387.04
  6. Step 6: Final answer
    x = 4,499.28

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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.