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Finding the Fourth Proportional to 8,851.40, 13,276.34 and 3,007.40

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Solution

The fourth proportional to 8,851.40, 13,276.34 and 3,007.40 is: 4,510.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.40 : 13,276.34 = 3,007.40 : x
  2. Step 2: Convert to fraction form
    8,851.40/13,276.34 = 3,007.40/x
  3. Step 3: Cross multiply
    8,851.40x = 13,276.34 × 3,007.40
  4. Step 4: Simplify right side
    8,851.40x = 39,927,264.92
  5. Step 5: Solve for x
    x = 39,927,264.92/8,851.40
  6. Step 6: Final answer
    x = 4,510.84

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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.