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Finding the Fourth Proportional to 10,603.75, 15,881.01 and 10,234.70

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Solution

The fourth proportional to 10,603.75, 15,881.01 and 10,234.70 is: 15,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.75 : 15,881.01 = 10,234.70 : x
  2. Step 2: Convert to fraction form
    10,603.75/15,881.01 = 10,234.70/x
  3. Step 3: Cross multiply
    10,603.75x = 15,881.01 × 10,234.70
  4. Step 4: Simplify right side
    10,603.75x = 162,537,373.05
  5. Step 5: Solve for x
    x = 162,537,373.05/10,603.75
  6. Step 6: Final answer
    x = 15,328.29

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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.