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Finding the Fourth Proportional to 15,601.80, 23,402.70 and 6,827.40

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Solution

The fourth proportional to 15,601.80, 23,402.70 and 6,827.40 is: 10,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.80 : 23,402.70 = 6,827.40 : x
  2. Step 2: Convert to fraction form
    15,601.80/23,402.70 = 6,827.40/x
  3. Step 3: Cross multiply
    15,601.80x = 23,402.70 × 6,827.40
  4. Step 4: Simplify right side
    15,601.80x = 159,779,593.98
  5. Step 5: Solve for x
    x = 159,779,593.98/15,601.80
  6. Step 6: Final answer
    x = 10,241.10

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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.