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Finding the Fourth Proportional to 8,979.66, 13,476.50 and 6,225.72

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Solution

The fourth proportional to 8,979.66, 13,476.50 and 6,225.72 is: 9,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.66 : 13,476.50 = 6,225.72 : x
  2. Step 2: Convert to fraction form
    8,979.66/13,476.50 = 6,225.72/x
  3. Step 3: Cross multiply
    8,979.66x = 13,476.50 × 6,225.72
  4. Step 4: Simplify right side
    8,979.66x = 83,900,964.84
  5. Step 5: Solve for x
    x = 83,900,964.84/8,979.66
  6. Step 6: Final answer
    x = 9,343.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.