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Finding the Fourth Proportional to 7,300.04, 10,074.02 and 3,988.04

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Solution

The fourth proportional to 7,300.04, 10,074.02 and 3,988.04 is: 5,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.04 : 10,074.02 = 3,988.04 : x
  2. Step 2: Convert to fraction form
    7,300.04/10,074.02 = 3,988.04/x
  3. Step 3: Cross multiply
    7,300.04x = 10,074.02 × 3,988.04
  4. Step 4: Simplify right side
    7,300.04x = 40,175,594.72
  5. Step 5: Solve for x
    x = 40,175,594.72/7,300.04
  6. Step 6: Final answer
    x = 5,503.48

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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.