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Finding the Fourth Proportional to 7,088.56, 9,780.94 and 4,104.24

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Solution

The fourth proportional to 7,088.56, 9,780.94 and 4,104.24 is: 5,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.56 : 9,780.94 = 4,104.24 : x
  2. Step 2: Convert to fraction form
    7,088.56/9,780.94 = 4,104.24/x
  3. Step 3: Cross multiply
    7,088.56x = 9,780.94 × 4,104.24
  4. Step 4: Simplify right side
    7,088.56x = 40,143,325.19
  5. Step 5: Solve for x
    x = 40,143,325.19/7,088.56
  6. Step 6: Final answer
    x = 5,663.11

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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.