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Finding the Fourth Proportional to 54,749, 75,553.80 and 29,598.68

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Solution

The fourth proportional to 54,749, 75,553.80 and 29,598.68 is: 40,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,749 : 75,553.80 = 29,598.68 : x
  2. Step 2: Convert to fraction form
    54,749/75,553.80 = 29,598.68/x
  3. Step 3: Cross multiply
    54,749x = 75,553.80 × 29,598.68
  4. Step 4: Simplify right side
    54,749x = 2,236,292,748.98
  5. Step 5: Solve for x
    x = 2,236,292,748.98/54,749
  6. Step 6: Final answer
    x = 40,846.28

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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.