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Finding the Fourth Proportional to 7,352.59, 10,149.69 and 4,699.39

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Solution

The fourth proportional to 7,352.59, 10,149.69 and 4,699.39 is: 6,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.59 : 10,149.69 = 4,699.39 : x
  2. Step 2: Convert to fraction form
    7,352.59/10,149.69 = 4,699.39/x
  3. Step 3: Cross multiply
    7,352.59x = 10,149.69 × 4,699.39
  4. Step 4: Simplify right side
    7,352.59x = 47,697,351.69
  5. Step 5: Solve for x
    x = 47,697,351.69/7,352.59
  6. Step 6: Final answer
    x = 6,487.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.