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Finding the Fourth Proportional to 60,411.94, 83,317.54 and 45,339.86

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Solution

The fourth proportional to 60,411.94, 83,317.54 and 45,339.86 is: 62,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,411.94 : 83,317.54 = 45,339.86 : x
  2. Step 2: Convert to fraction form
    60,411.94/83,317.54 = 45,339.86/x
  3. Step 3: Cross multiply
    60,411.94x = 83,317.54 × 45,339.86
  4. Step 4: Simplify right side
    60,411.94x = 3,777,605,599.14
  5. Step 5: Solve for x
    x = 3,777,605,599.14/60,411.94
  6. Step 6: Final answer
    x = 62,530.78

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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.