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Finding the Fourth Proportional to 13,300.60, 19,950.90 and 8,894.20

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Solution

The fourth proportional to 13,300.60, 19,950.90 and 8,894.20 is: 13,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.60 : 19,950.90 = 8,894.20 : x
  2. Step 2: Convert to fraction form
    13,300.60/19,950.90 = 8,894.20/x
  3. Step 3: Cross multiply
    13,300.60x = 19,950.90 × 8,894.20
  4. Step 4: Simplify right side
    13,300.60x = 177,447,294.78
  5. Step 5: Solve for x
    x = 177,447,294.78/13,300.60
  6. Step 6: Final answer
    x = 13,341.30

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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.