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Finding the Fourth Proportional to 9,148.68, 12,624.84 and 4,956.84

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Solution

The fourth proportional to 9,148.68, 12,624.84 and 4,956.84 is: 6,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.68 : 12,624.84 = 4,956.84 : x
  2. Step 2: Convert to fraction form
    9,148.68/12,624.84 = 4,956.84/x
  3. Step 3: Cross multiply
    9,148.68x = 12,624.84 × 4,956.84
  4. Step 4: Simplify right side
    9,148.68x = 62,579,311.91
  5. Step 5: Solve for x
    x = 62,579,311.91/9,148.68
  6. Step 6: Final answer
    x = 6,840.26

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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.