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Finding the Fourth Proportional to 10,068.87, 15,035.48 and 8,223.64

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Solution

The fourth proportional to 10,068.87, 15,035.48 and 8,223.64 is: 12,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.87 : 15,035.48 = 8,223.64 : x
  2. Step 2: Convert to fraction form
    10,068.87/15,035.48 = 8,223.64/x
  3. Step 3: Cross multiply
    10,068.87x = 15,035.48 × 8,223.64
  4. Step 4: Simplify right side
    10,068.87x = 123,646,374.75
  5. Step 5: Solve for x
    x = 123,646,374.75/10,068.87
  6. Step 6: Final answer
    x = 12,280.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.