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Finding the Fourth Proportional to 7,398.61, 10,210.26 and 4,041.38

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Solution

The fourth proportional to 7,398.61, 10,210.26 and 4,041.38 is: 5,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.61 : 10,210.26 = 4,041.38 : x
  2. Step 2: Convert to fraction form
    7,398.61/10,210.26 = 4,041.38/x
  3. Step 3: Cross multiply
    7,398.61x = 10,210.26 × 4,041.38
  4. Step 4: Simplify right side
    7,398.61x = 41,263,566.08
  5. Step 5: Solve for x
    x = 41,263,566.08/7,398.61
  6. Step 6: Final answer
    x = 5,577.21

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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.