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Finding the Fourth Proportional to 54,307.98, 74,866.48 and 38,126.01

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Solution

The fourth proportional to 54,307.98, 74,866.48 and 38,126.01 is: 52,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,307.98 : 74,866.48 = 38,126.01 : x
  2. Step 2: Convert to fraction form
    54,307.98/74,866.48 = 38,126.01/x
  3. Step 3: Cross multiply
    54,307.98x = 74,866.48 × 38,126.01
  4. Step 4: Simplify right side
    54,307.98x = 2,854,360,350.58
  5. Step 5: Solve for x
    x = 2,854,360,350.58/54,307.98
  6. Step 6: Final answer
    x = 52,558.76

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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.