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Finding the Fourth Proportional to 27,320.48, 40,980.48 and 8,852.48

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Solution

The fourth proportional to 27,320.48, 40,980.48 and 8,852.48 is: 13,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.48 : 40,980.48 = 8,852.48 : x
  2. Step 2: Convert to fraction form
    27,320.48/40,980.48 = 8,852.48/x
  3. Step 3: Cross multiply
    27,320.48x = 40,980.48 × 8,852.48
  4. Step 4: Simplify right side
    27,320.48x = 362,778,879.59
  5. Step 5: Solve for x
    x = 362,778,879.59/27,320.48
  6. Step 6: Final answer
    x = 13,278.64

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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.