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Finding the Fourth Proportional to 6,354.47, 8,763.76 and 5,025.87

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Solution

The fourth proportional to 6,354.47, 8,763.76 and 5,025.87 is: 6,931.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.47 : 8,763.76 = 5,025.87 : x
  2. Step 2: Convert to fraction form
    6,354.47/8,763.76 = 5,025.87/x
  3. Step 3: Cross multiply
    6,354.47x = 8,763.76 × 5,025.87
  4. Step 4: Simplify right side
    6,354.47x = 44,045,518.47
  5. Step 5: Solve for x
    x = 44,045,518.47/6,354.47
  6. Step 6: Final answer
    x = 6,931.42

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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.