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Finding the Fourth Proportional to 10,068.60, 15,102.90 and 6,958.20

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Solution

The fourth proportional to 10,068.60, 15,102.90 and 6,958.20 is: 10,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.60 : 15,102.90 = 6,958.20 : x
  2. Step 2: Convert to fraction form
    10,068.60/15,102.90 = 6,958.20/x
  3. Step 3: Cross multiply
    10,068.60x = 15,102.90 × 6,958.20
  4. Step 4: Simplify right side
    10,068.60x = 105,088,998.78
  5. Step 5: Solve for x
    x = 105,088,998.78/10,068.60
  6. Step 6: Final answer
    x = 10,437.30

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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.