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Finding the Fourth Proportional to 48,009.80, 66,253.59 and 26,789.12

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Solution

The fourth proportional to 48,009.80, 66,253.59 and 26,789.12 is: 36,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,009.80 : 66,253.59 = 26,789.12 : x
  2. Step 2: Convert to fraction form
    48,009.80/66,253.59 = 26,789.12/x
  3. Step 3: Cross multiply
    48,009.80x = 66,253.59 × 26,789.12
  4. Step 4: Simplify right side
    48,009.80x = 1,774,875,041.67
  5. Step 5: Solve for x
    x = 1,774,875,041.67/48,009.80
  6. Step 6: Final answer
    x = 36,969.02

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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.