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Finding the Fourth Proportional to 55,851.95, 77,050.01 and 49,485.04

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Solution

The fourth proportional to 55,851.95, 77,050.01 and 49,485.04 is: 68,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,851.95 : 77,050.01 = 49,485.04 : x
  2. Step 2: Convert to fraction form
    55,851.95/77,050.01 = 49,485.04/x
  3. Step 3: Cross multiply
    55,851.95x = 77,050.01 × 49,485.04
  4. Step 4: Simplify right side
    55,851.95x = 3,812,822,194.18
  5. Step 5: Solve for x
    x = 3,812,822,194.18/55,851.95
  6. Step 6: Final answer
    x = 68,266.59

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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.