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Finding the Fourth Proportional to 55,855.48, 77,098.53 and 35,766.49

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Solution

The fourth proportional to 55,855.48, 77,098.53 and 35,766.49 is: 49,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,855.48 : 77,098.53 = 35,766.49 : x
  2. Step 2: Convert to fraction form
    55,855.48/77,098.53 = 35,766.49/x
  3. Step 3: Cross multiply
    55,855.48x = 77,098.53 × 35,766.49
  4. Step 4: Simplify right side
    55,855.48x = 2,757,543,802.26
  5. Step 5: Solve for x
    x = 2,757,543,802.26/55,855.48
  6. Step 6: Final answer
    x = 49,369.26

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1.5x scale

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.