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Finding the Fourth Proportional to 8,842.65, 12,203.01 and 4,864.14

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Solution

The fourth proportional to 8,842.65, 12,203.01 and 4,864.14 is: 6,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.65 : 12,203.01 = 4,864.14 : x
  2. Step 2: Convert to fraction form
    8,842.65/12,203.01 = 4,864.14/x
  3. Step 3: Cross multiply
    8,842.65x = 12,203.01 × 4,864.14
  4. Step 4: Simplify right side
    8,842.65x = 59,357,149.06
  5. Step 5: Solve for x
    x = 59,357,149.06/8,842.65
  6. Step 6: Final answer
    x = 6,712.60

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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.