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Finding the Fourth Proportional to 15,673.00, 23,487.40 and 8,656.17

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Solution

The fourth proportional to 15,673.00, 23,487.40 and 8,656.17 is: 12,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.00 : 23,487.40 = 8,656.17 : x
  2. Step 2: Convert to fraction form
    15,673.00/23,487.40 = 8,656.17/x
  3. Step 3: Cross multiply
    15,673.00x = 23,487.40 × 8,656.17
  4. Step 4: Simplify right side
    15,673.00x = 203,310,905.62
  5. Step 5: Solve for x
    x = 203,310,905.62/15,673.00
  6. Step 6: Final answer
    x = 12,972.05

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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.