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Finding the Fourth Proportional to 61,167.35, 84,409.93 and 35,688.53

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Solution

The fourth proportional to 61,167.35, 84,409.93 and 35,688.53 is: 49,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,167.35 : 84,409.93 = 35,688.53 : x
  2. Step 2: Convert to fraction form
    61,167.35/84,409.93 = 35,688.53/x
  3. Step 3: Cross multiply
    61,167.35x = 84,409.93 × 35,688.53
  4. Step 4: Simplify right side
    61,167.35x = 3,012,466,574.74
  5. Step 5: Solve for x
    x = 3,012,466,574.74/61,167.35
  6. Step 6: Final answer
    x = 49,249.58

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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.