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Finding the Fourth Proportional to 8,708.04, 12,017.06 and 4,982.04

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Solution

The fourth proportional to 8,708.04, 12,017.06 and 4,982.04 is: 6,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.04 : 12,017.06 = 4,982.04 : x
  2. Step 2: Convert to fraction form
    8,708.04/12,017.06 = 4,982.04/x
  3. Step 3: Cross multiply
    8,708.04x = 12,017.06 × 4,982.04
  4. Step 4: Simplify right side
    8,708.04x = 59,869,473.60
  5. Step 5: Solve for x
    x = 59,869,473.60/8,708.04
  6. Step 6: Final answer
    x = 6,875.20

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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.