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Finding the Fourth Proportional to 7,593.42, 10,475.35 and 4,939.86

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Solution

The fourth proportional to 7,593.42, 10,475.35 and 4,939.86 is: 6,814.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,593.42 : 10,475.35 = 4,939.86 : x
  2. Step 2: Convert to fraction form
    7,593.42/10,475.35 = 4,939.86/x
  3. Step 3: Cross multiply
    7,593.42x = 10,475.35 × 4,939.86
  4. Step 4: Simplify right side
    7,593.42x = 51,746,750.10
  5. Step 5: Solve for x
    x = 51,746,750.10/7,593.42
  6. Step 6: Final answer
    x = 6,814.68

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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.