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Finding the Fourth Proportional to 8,999.06, 13,503.45 and 4,382.06

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Solution

The fourth proportional to 8,999.06, 13,503.45 and 4,382.06 is: 6,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.06 : 13,503.45 = 4,382.06 : x
  2. Step 2: Convert to fraction form
    8,999.06/13,503.45 = 4,382.06/x
  3. Step 3: Cross multiply
    8,999.06x = 13,503.45 × 4,382.06
  4. Step 4: Simplify right side
    8,999.06x = 59,172,928.11
  5. Step 5: Solve for x
    x = 59,172,928.11/8,999.06
  6. Step 6: Final answer
    x = 6,575.46

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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.