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Finding the Fourth Proportional to 3,561, 4,902.54 and 3,095.10

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Solution

The fourth proportional to 3,561, 4,902.54 and 3,095.10 is: 4,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561 : 4,902.54 = 3,095.10 : x
  2. Step 2: Convert to fraction form
    3,561/4,902.54 = 3,095.10/x
  3. Step 3: Cross multiply
    3,561x = 4,902.54 × 3,095.10
  4. Step 4: Simplify right side
    3,561x = 15,173,851.55
  5. Step 5: Solve for x
    x = 15,173,851.55/3,561
  6. Step 6: Final answer
    x = 4,261.12

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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.