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Finding the Fourth Proportional to 75,387.84, 113,080.64 and 22,798.40

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Solution

The fourth proportional to 75,387.84, 113,080.64 and 22,798.40 is: 34,197.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,387.84 : 113,080.64 = 22,798.40 : x
  2. Step 2: Convert to fraction form
    75,387.84/113,080.64 = 22,798.40/x
  3. Step 3: Cross multiply
    75,387.84x = 113,080.64 × 22,798.40
  4. Step 4: Simplify right side
    75,387.84x = 2,578,057,662.98
  5. Step 5: Solve for x
    x = 2,578,057,662.98/75,387.84
  6. Step 6: Final answer
    x = 34,197.26

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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.