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Finding the Fourth Proportional to 8,748,268.80, 13,124,476.80 and 4,489,094.40

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Solution

The fourth proportional to 8,748,268.80, 13,124,476.80 and 4,489,094.40 is: 6,734,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,268.80 : 13,124,476.80 = 4,489,094.40 : x
  2. Step 2: Convert to fraction form
    8,748,268.80/13,124,476.80 = 4,489,094.40/x
  3. Step 3: Cross multiply
    8,748,268.80x = 13,124,476.80 × 4,489,094.40
  4. Step 4: Simplify right side
    8,748,268.80x = 58,917,015,305,809.93
  5. Step 5: Solve for x
    x = 58,917,015,305,809.93/8,748,268.80
  6. Step 6: Final answer
    x = 6,734,705.65

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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.