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Finding the Fourth Proportional to 6,520.86, 8,997.75 and 4,754.46

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Solution

The fourth proportional to 6,520.86, 8,997.75 and 4,754.46 is: 6,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.86 : 8,997.75 = 4,754.46 : x
  2. Step 2: Convert to fraction form
    6,520.86/8,997.75 = 4,754.46/x
  3. Step 3: Cross multiply
    6,520.86x = 8,997.75 × 4,754.46
  4. Step 4: Simplify right side
    6,520.86x = 42,779,442.47
  5. Step 5: Solve for x
    x = 42,779,442.47/6,520.86
  6. Step 6: Final answer
    x = 6,560.40

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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.