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Finding the Fourth Proportional to 9,254.79, 13,851.81 and 8,368.65

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Solution

The fourth proportional to 9,254.79, 13,851.81 and 8,368.65 is: 12,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,254.79 : 13,851.81 = 8,368.65 : x
  2. Step 2: Convert to fraction form
    9,254.79/13,851.81 = 8,368.65/x
  3. Step 3: Cross multiply
    9,254.79x = 13,851.81 × 8,368.65
  4. Step 4: Simplify right side
    9,254.79x = 115,920,949.76
  5. Step 5: Solve for x
    x = 115,920,949.76/9,254.79
  6. Step 6: Final answer
    x = 12,525.51

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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.