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Finding the Fourth Proportional to 55,353.94, 82,599.01 and 49,389.80

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Solution

The fourth proportional to 55,353.94, 82,599.01 and 49,389.80 is: 73,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,353.94 : 82,599.01 = 49,389.80 : x
  2. Step 2: Convert to fraction form
    55,353.94/82,599.01 = 49,389.80/x
  3. Step 3: Cross multiply
    55,353.94x = 82,599.01 × 49,389.80
  4. Step 4: Simplify right side
    55,353.94x = 4,079,548,047.63
  5. Step 5: Solve for x
    x = 4,079,548,047.63/55,353.94
  6. Step 6: Final answer
    x = 73,699.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.