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Finding the Fourth Proportional to 8,842.88, 13,263.40 and 2,999.32

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Solution

The fourth proportional to 8,842.88, 13,263.40 and 2,999.32 is: 4,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.88 : 13,263.40 = 2,999.32 : x
  2. Step 2: Convert to fraction form
    8,842.88/13,263.40 = 2,999.32/x
  3. Step 3: Cross multiply
    8,842.88x = 13,263.40 × 2,999.32
  4. Step 4: Simplify right side
    8,842.88x = 39,781,180.89
  5. Step 5: Solve for x
    x = 39,781,180.89/8,842.88
  6. Step 6: Final answer
    x = 4,498.67

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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.