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Finding the Fourth Proportional to 5,666.67, 8,484.35 and 4,275.72

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Solution

The fourth proportional to 5,666.67, 8,484.35 and 4,275.72 is: 6,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.67 : 8,484.35 = 4,275.72 : x
  2. Step 2: Convert to fraction form
    5,666.67/8,484.35 = 4,275.72/x
  3. Step 3: Cross multiply
    5,666.67x = 8,484.35 × 4,275.72
  4. Step 4: Simplify right side
    5,666.67x = 36,276,683.60
  5. Step 5: Solve for x
    x = 36,276,683.60/5,666.67
  6. Step 6: Final answer
    x = 6,401.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.