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Finding the Fourth Proportional to 58,603.13, 80,870.65 and 34,403.71

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Solution

The fourth proportional to 58,603.13, 80,870.65 and 34,403.71 is: 47,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,603.13 : 80,870.65 = 34,403.71 : x
  2. Step 2: Convert to fraction form
    58,603.13/80,870.65 = 34,403.71/x
  3. Step 3: Cross multiply
    58,603.13x = 80,870.65 × 34,403.71
  4. Step 4: Simplify right side
    58,603.13x = 2,782,250,390.11
  5. Step 5: Solve for x
    x = 2,782,250,390.11/58,603.13
  6. Step 6: Final answer
    x = 47,476.14

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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.