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Finding the Fourth Proportional to 7,586.81, 10,475.01 and 4,755.32

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Solution

The fourth proportional to 7,586.81, 10,475.01 and 4,755.32 is: 6,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.81 : 10,475.01 = 4,755.32 : x
  2. Step 2: Convert to fraction form
    7,586.81/10,475.01 = 4,755.32/x
  3. Step 3: Cross multiply
    7,586.81x = 10,475.01 × 4,755.32
  4. Step 4: Simplify right side
    7,586.81x = 49,811,972.18
  5. Step 5: Solve for x
    x = 49,811,972.18/7,586.81
  6. Step 6: Final answer
    x = 6,565.61

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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.