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Finding the Fourth Proportional to 10,010.88, 14,996.88 and 4,820.40

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Solution

The fourth proportional to 10,010.88, 14,996.88 and 4,820.40 is: 7,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.88 : 14,996.88 = 4,820.40 : x
  2. Step 2: Convert to fraction form
    10,010.88/14,996.88 = 4,820.40/x
  3. Step 3: Cross multiply
    10,010.88x = 14,996.88 × 4,820.40
  4. Step 4: Simplify right side
    10,010.88x = 72,290,960.35
  5. Step 5: Solve for x
    x = 72,290,960.35/10,010.88
  6. Step 6: Final answer
    x = 7,221.24

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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.