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Finding the Fourth Proportional to 36,294.52, 54,444.88 and 9,999.28

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Solution

The fourth proportional to 36,294.52, 54,444.88 and 9,999.28 is: 14,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,294.52 : 54,444.88 = 9,999.28 : x
  2. Step 2: Convert to fraction form
    36,294.52/54,444.88 = 9,999.28/x
  3. Step 3: Cross multiply
    36,294.52x = 54,444.88 × 9,999.28
  4. Step 4: Simplify right side
    36,294.52x = 544,409,599.69
  5. Step 5: Solve for x
    x = 544,409,599.69/36,294.52
  6. Step 6: Final answer
    x = 14,999.77

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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.