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Finding the Fourth Proportional to 7,398.10, 10,209.46 and 4,041.01

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Solution

The fourth proportional to 7,398.10, 10,209.46 and 4,041.01 is: 5,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.10 : 10,209.46 = 4,041.01 : x
  2. Step 2: Convert to fraction form
    7,398.10/10,209.46 = 4,041.01/x
  3. Step 3: Cross multiply
    7,398.10x = 10,209.46 × 4,041.01
  4. Step 4: Simplify right side
    7,398.10x = 41,256,529.95
  5. Step 5: Solve for x
    x = 41,256,529.95/7,398.10
  6. Step 6: Final answer
    x = 5,576.64

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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.