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Finding the Fourth Proportional to 5,656.59, 7,815.49 and 4,470.67

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Solution

The fourth proportional to 5,656.59, 7,815.49 and 4,470.67 is: 6,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.59 : 7,815.49 = 4,470.67 : x
  2. Step 2: Convert to fraction form
    5,656.59/7,815.49 = 4,470.67/x
  3. Step 3: Cross multiply
    5,656.59x = 7,815.49 × 4,470.67
  4. Step 4: Simplify right side
    5,656.59x = 34,940,454.32
  5. Step 5: Solve for x
    x = 34,940,454.32/5,656.59
  6. Step 6: Final answer
    x = 6,176.95

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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.