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Finding the Fourth Proportional to 10,967.80, 16,451.70 and 10,060.60

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Solution

The fourth proportional to 10,967.80, 16,451.70 and 10,060.60 is: 15,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.80 : 16,451.70 = 10,060.60 : x
  2. Step 2: Convert to fraction form
    10,967.80/16,451.70 = 10,060.60/x
  3. Step 3: Cross multiply
    10,967.80x = 16,451.70 × 10,060.60
  4. Step 4: Simplify right side
    10,967.80x = 165,513,973.02
  5. Step 5: Solve for x
    x = 165,513,973.02/10,967.80
  6. Step 6: Final answer
    x = 15,090.90

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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.