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Finding the Fourth Proportional to 8,792.56, 13,191.32 and 4,899.76

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Solution

The fourth proportional to 8,792.56, 13,191.32 and 4,899.76 is: 7,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.56 : 13,191.32 = 4,899.76 : x
  2. Step 2: Convert to fraction form
    8,792.56/13,191.32 = 4,899.76/x
  3. Step 3: Cross multiply
    8,792.56x = 13,191.32 × 4,899.76
  4. Step 4: Simplify right side
    8,792.56x = 64,634,302.08
  5. Step 5: Solve for x
    x = 64,634,302.08/8,792.56
  6. Step 6: Final answer
    x = 7,351.02

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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.