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Finding the Fourth Proportional to 8,288.58, 11,434.48 and 4,929.48

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Solution

The fourth proportional to 8,288.58, 11,434.48 and 4,929.48 is: 6,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.58 : 11,434.48 = 4,929.48 : x
  2. Step 2: Convert to fraction form
    8,288.58/11,434.48 = 4,929.48/x
  3. Step 3: Cross multiply
    8,288.58x = 11,434.48 × 4,929.48
  4. Step 4: Simplify right side
    8,288.58x = 56,366,040.47
  5. Step 5: Solve for x
    x = 56,366,040.47/8,288.58
  6. Step 6: Final answer
    x = 6,800.45

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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.