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Finding the Fourth Proportional to 6,462.51, 8,913.36 and 5,567.76

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Solution

The fourth proportional to 6,462.51, 8,913.36 and 5,567.76 is: 7,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.51 : 8,913.36 = 5,567.76 : x
  2. Step 2: Convert to fraction form
    6,462.51/8,913.36 = 5,567.76/x
  3. Step 3: Cross multiply
    6,462.51x = 8,913.36 × 5,567.76
  4. Step 4: Simplify right side
    6,462.51x = 49,627,449.27
  5. Step 5: Solve for x
    x = 49,627,449.27/6,462.51
  6. Step 6: Final answer
    x = 7,679.28

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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.