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Finding the Fourth Proportional to 7,656.76, 10,567.10 and 4,299.38

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Solution

The fourth proportional to 7,656.76, 10,567.10 and 4,299.38 is: 5,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.76 : 10,567.10 = 4,299.38 : x
  2. Step 2: Convert to fraction form
    7,656.76/10,567.10 = 4,299.38/x
  3. Step 3: Cross multiply
    7,656.76x = 10,567.10 × 4,299.38
  4. Step 4: Simplify right side
    7,656.76x = 45,431,978.40
  5. Step 5: Solve for x
    x = 45,431,978.40/7,656.76
  6. Step 6: Final answer
    x = 5,933.58

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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.