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Finding the Fourth Proportional to 9,141.34, 13,712.01 and 2,902.01

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Solution

The fourth proportional to 9,141.34, 13,712.01 and 2,902.01 is: 4,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.34 : 13,712.01 = 2,902.01 : x
  2. Step 2: Convert to fraction form
    9,141.34/13,712.01 = 2,902.01/x
  3. Step 3: Cross multiply
    9,141.34x = 13,712.01 × 2,902.01
  4. Step 4: Simplify right side
    9,141.34x = 39,792,424.42
  5. Step 5: Solve for x
    x = 39,792,424.42/9,141.34
  6. Step 6: Final answer
    x = 4,353.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.