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Finding the Fourth Proportional to 10,902.54, 15,050.02 and 7,370.54

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Solution

The fourth proportional to 10,902.54, 15,050.02 and 7,370.54 is: 10,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.54 : 15,050.02 = 7,370.54 : x
  2. Step 2: Convert to fraction form
    10,902.54/15,050.02 = 7,370.54/x
  3. Step 3: Cross multiply
    10,902.54x = 15,050.02 × 7,370.54
  4. Step 4: Simplify right side
    10,902.54x = 110,926,774.41
  5. Step 5: Solve for x
    x = 110,926,774.41/10,902.54
  6. Step 6: Final answer
    x = 10,174.40

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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.