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Finding the Fourth Proportional to 8,304.17, 12,458.94 and 4,971.89

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Solution

The fourth proportional to 8,304.17, 12,458.94 and 4,971.89 is: 7,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.17 : 12,458.94 = 4,971.89 : x
  2. Step 2: Convert to fraction form
    8,304.17/12,458.94 = 4,971.89/x
  3. Step 3: Cross multiply
    8,304.17x = 12,458.94 × 4,971.89
  4. Step 4: Simplify right side
    8,304.17x = 61,944,491.70
  5. Step 5: Solve for x
    x = 61,944,491.70/8,304.17
  6. Step 6: Final answer
    x = 7,459.45

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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.