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Finding the Fourth Proportional to 7,031.52, 10,550.52 and 3,137.04

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Solution

The fourth proportional to 7,031.52, 10,550.52 and 3,137.04 is: 4,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.52 : 10,550.52 = 3,137.04 : x
  2. Step 2: Convert to fraction form
    7,031.52/10,550.52 = 3,137.04/x
  3. Step 3: Cross multiply
    7,031.52x = 10,550.52 × 3,137.04
  4. Step 4: Simplify right side
    7,031.52x = 33,097,403.26
  5. Step 5: Solve for x
    x = 33,097,403.26/7,031.52
  6. Step 6: Final answer
    x = 4,707.01

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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.