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Finding the Fourth Proportional to 5,545.56, 7,653.44 and 5,373.48

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Solution

The fourth proportional to 5,545.56, 7,653.44 and 5,373.48 is: 7,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.56 : 7,653.44 = 5,373.48 : x
  2. Step 2: Convert to fraction form
    5,545.56/7,653.44 = 5,373.48/x
  3. Step 3: Cross multiply
    5,545.56x = 7,653.44 × 5,373.48
  4. Step 4: Simplify right side
    5,545.56x = 41,125,606.77
  5. Step 5: Solve for x
    x = 41,125,606.77/5,545.56
  6. Step 6: Final answer
    x = 7,415.95

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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.