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Finding the Fourth Proportional to 12,363.02, 17,061.02 and 6,697.78

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Solution

The fourth proportional to 12,363.02, 17,061.02 and 6,697.78 is: 9,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.02 : 17,061.02 = 6,697.78 : x
  2. Step 2: Convert to fraction form
    12,363.02/17,061.02 = 6,697.78/x
  3. Step 3: Cross multiply
    12,363.02x = 17,061.02 × 6,697.78
  4. Step 4: Simplify right side
    12,363.02x = 114,270,907.51
  5. Step 5: Solve for x
    x = 114,270,907.51/12,363.02
  6. Step 6: Final answer
    x = 9,242.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.