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Finding the Fourth Proportional to 7,052.32, 9,721.02 and 5,557.96

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Solution

The fourth proportional to 7,052.32, 9,721.02 and 5,557.96 is: 7,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.32 : 9,721.02 = 5,557.96 : x
  2. Step 2: Convert to fraction form
    7,052.32/9,721.02 = 5,557.96/x
  3. Step 3: Cross multiply
    7,052.32x = 9,721.02 × 5,557.96
  4. Step 4: Simplify right side
    7,052.32x = 54,029,040.32
  5. Step 5: Solve for x
    x = 54,029,040.32/7,052.32
  6. Step 6: Final answer
    x = 7,661.17

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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.