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Finding the Fourth Proportional to 7,398.87, 10,210.39 and 4,041.64

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Solution

The fourth proportional to 7,398.87, 10,210.39 and 4,041.64 is: 5,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.87 : 10,210.39 = 4,041.64 : x
  2. Step 2: Convert to fraction form
    7,398.87/10,210.39 = 4,041.64/x
  3. Step 3: Cross multiply
    7,398.87x = 10,210.39 × 4,041.64
  4. Step 4: Simplify right side
    7,398.87x = 41,266,720.64
  5. Step 5: Solve for x
    x = 41,266,720.64/7,398.87
  6. Step 6: Final answer
    x = 5,577.44

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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.