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Finding the Fourth Proportional to 8,820.54, 12,165.93 and 5,838.93

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Solution

The fourth proportional to 8,820.54, 12,165.93 and 5,838.93 is: 8,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.54 : 12,165.93 = 5,838.93 : x
  2. Step 2: Convert to fraction form
    8,820.54/12,165.93 = 5,838.93/x
  3. Step 3: Cross multiply
    8,820.54x = 12,165.93 × 5,838.93
  4. Step 4: Simplify right side
    8,820.54x = 71,036,013.65
  5. Step 5: Solve for x
    x = 71,036,013.65/8,820.54
  6. Step 6: Final answer
    x = 8,053.48

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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.