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Finding the Fourth Proportional to 7,088.04, 9,781.02 and 3,944.16

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Solution

The fourth proportional to 7,088.04, 9,781.02 and 3,944.16 is: 5,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.04 : 9,781.02 = 3,944.16 : x
  2. Step 2: Convert to fraction form
    7,088.04/9,781.02 = 3,944.16/x
  3. Step 3: Cross multiply
    7,088.04x = 9,781.02 × 3,944.16
  4. Step 4: Simplify right side
    7,088.04x = 38,577,907.84
  5. Step 5: Solve for x
    x = 38,577,907.84/7,088.04
  6. Step 6: Final answer
    x = 5,442.68

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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.