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Finding the Fourth Proportional to 7,503.60, 11,255.24 and 2,031.60

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Solution

The fourth proportional to 7,503.60, 11,255.24 and 2,031.60 is: 3,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.60 : 11,255.24 = 2,031.60 : x
  2. Step 2: Convert to fraction form
    7,503.60/11,255.24 = 2,031.60/x
  3. Step 3: Cross multiply
    7,503.60x = 11,255.24 × 2,031.60
  4. Step 4: Simplify right side
    7,503.60x = 22,866,145.58
  5. Step 5: Solve for x
    x = 22,866,145.58/7,503.60
  6. Step 6: Final answer
    x = 3,047.36

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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.