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Finding the Fourth Proportional to 54,677.54, 74,962.89 and 53,681.09

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Solution

The fourth proportional to 54,677.54, 74,962.89 and 53,681.09 is: 73,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.54 : 74,962.89 = 53,681.09 : x
  2. Step 2: Convert to fraction form
    54,677.54/74,962.89 = 53,681.09/x
  3. Step 3: Cross multiply
    54,677.54x = 74,962.89 × 53,681.09
  4. Step 4: Simplify right side
    54,677.54x = 4,024,089,471.24
  5. Step 5: Solve for x
    x = 4,024,089,471.24/54,677.54
  6. Step 6: Final answer
    x = 73,596.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.