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Finding the Fourth Proportional to 55,696.18, 83,349.04 and 39,918.58

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Solution

The fourth proportional to 55,696.18, 83,349.04 and 39,918.58 is: 59,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,696.18 : 83,349.04 = 39,918.58 : x
  2. Step 2: Convert to fraction form
    55,696.18/83,349.04 = 39,918.58/x
  3. Step 3: Cross multiply
    55,696.18x = 83,349.04 × 39,918.58
  4. Step 4: Simplify right side
    55,696.18x = 3,327,175,321.16
  5. Step 5: Solve for x
    x = 3,327,175,321.16/55,696.18
  6. Step 6: Final answer
    x = 59,737.94

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1.5x scale

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.