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Finding the Fourth Proportional to 57,055.53, 85,603.55 and 25,462.71

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Solution

The fourth proportional to 57,055.53, 85,603.55 and 25,462.71 is: 38,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,055.53 : 85,603.55 = 25,462.71 : x
  2. Step 2: Convert to fraction form
    57,055.53/85,603.55 = 25,462.71/x
  3. Step 3: Cross multiply
    57,055.53x = 85,603.55 × 25,462.71
  4. Step 4: Simplify right side
    57,055.53x = 2,179,698,368.62
  5. Step 5: Solve for x
    x = 2,179,698,368.62/57,055.53
  6. Step 6: Final answer
    x = 38,203.10

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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.