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Finding the Fourth Proportional to 7,901.16, 11,851.74 and 4,822.44

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Solution

The fourth proportional to 7,901.16, 11,851.74 and 4,822.44 is: 7,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.16 : 11,851.74 = 4,822.44 : x
  2. Step 2: Convert to fraction form
    7,901.16/11,851.74 = 4,822.44/x
  3. Step 3: Cross multiply
    7,901.16x = 11,851.74 × 4,822.44
  4. Step 4: Simplify right side
    7,901.16x = 57,154,305.05
  5. Step 5: Solve for x
    x = 57,154,305.05/7,901.16
  6. Step 6: Final answer
    x = 7,233.66

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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.