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Finding the Fourth Proportional to 7,907.29, 10,913.15 and 4,550.04

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Solution

The fourth proportional to 7,907.29, 10,913.15 and 4,550.04 is: 6,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.29 : 10,913.15 = 4,550.04 : x
  2. Step 2: Convert to fraction form
    7,907.29/10,913.15 = 4,550.04/x
  3. Step 3: Cross multiply
    7,907.29x = 10,913.15 × 4,550.04
  4. Step 4: Simplify right side
    7,907.29x = 49,655,246.28
  5. Step 5: Solve for x
    x = 49,655,246.28/7,907.29
  6. Step 6: Final answer
    x = 6,279.68

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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.