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Finding the Fourth Proportional to 10,072.66, 15,114.16 and 4,153.92

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Solution

The fourth proportional to 10,072.66, 15,114.16 and 4,153.92 is: 6,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.66 : 15,114.16 = 4,153.92 : x
  2. Step 2: Convert to fraction form
    10,072.66/15,114.16 = 4,153.92/x
  3. Step 3: Cross multiply
    10,072.66x = 15,114.16 × 4,153.92
  4. Step 4: Simplify right side
    10,072.66x = 62,783,011.51
  5. Step 5: Solve for x
    x = 62,783,011.51/10,072.66
  6. Step 6: Final answer
    x = 6,233.01

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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.