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Finding the Fourth Proportional to 7,657.88, 10,567.79 and 4,300.61

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Solution

The fourth proportional to 7,657.88, 10,567.79 and 4,300.61 is: 5,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.88 : 10,567.79 = 4,300.61 : x
  2. Step 2: Convert to fraction form
    7,657.88/10,567.79 = 4,300.61/x
  3. Step 3: Cross multiply
    7,657.88x = 10,567.79 × 4,300.61
  4. Step 4: Simplify right side
    7,657.88x = 45,447,948.27
  5. Step 5: Solve for x
    x = 45,447,948.27/7,657.88
  6. Step 6: Final answer
    x = 5,934.80

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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.