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Finding the Fourth Proportional to 55,801.98, 77,021.01 and 34,599.42

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Solution

The fourth proportional to 55,801.98, 77,021.01 and 34,599.42 is: 47,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.98 : 77,021.01 = 34,599.42 : x
  2. Step 2: Convert to fraction form
    55,801.98/77,021.01 = 34,599.42/x
  3. Step 3: Cross multiply
    55,801.98x = 77,021.01 × 34,599.42
  4. Step 4: Simplify right side
    55,801.98x = 2,664,882,273.81
  5. Step 5: Solve for x
    x = 2,664,882,273.81/55,801.98
  6. Step 6: Final answer
    x = 47,756.05

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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.