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Finding the Fourth Proportional to 7,500.84, 10,351.80 and 4,144.02

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Solution

The fourth proportional to 7,500.84, 10,351.80 and 4,144.02 is: 5,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.84 : 10,351.80 = 4,144.02 : x
  2. Step 2: Convert to fraction form
    7,500.84/10,351.80 = 4,144.02/x
  3. Step 3: Cross multiply
    7,500.84x = 10,351.80 × 4,144.02
  4. Step 4: Simplify right side
    7,500.84x = 42,898,066.24
  5. Step 5: Solve for x
    x = 42,898,066.24/7,500.84
  6. Step 6: Final answer
    x = 5,719.10

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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.