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Finding the Fourth Proportional to 8,828.48, 12,184.40 and 5,102.48

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Solution

The fourth proportional to 8,828.48, 12,184.40 and 5,102.48 is: 7,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.48 : 12,184.40 = 5,102.48 : x
  2. Step 2: Convert to fraction form
    8,828.48/12,184.40 = 5,102.48/x
  3. Step 3: Cross multiply
    8,828.48x = 12,184.40 × 5,102.48
  4. Step 4: Simplify right side
    8,828.48x = 62,170,662.26
  5. Step 5: Solve for x
    x = 62,170,662.26/8,828.48
  6. Step 6: Final answer
    x = 7,042.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.