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Finding the Fourth Proportional to 7,387.40, 11,092.04 and 7,030.59

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Solution

The fourth proportional to 7,387.40, 11,092.04 and 7,030.59 is: 10,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.40 : 11,092.04 = 7,030.59 : x
  2. Step 2: Convert to fraction form
    7,387.40/11,092.04 = 7,030.59/x
  3. Step 3: Cross multiply
    7,387.40x = 11,092.04 × 7,030.59
  4. Step 4: Simplify right side
    7,387.40x = 77,983,550.35
  5. Step 5: Solve for x
    x = 77,983,550.35/7,387.40
  6. Step 6: Final answer
    x = 10,556.30

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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.