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Finding the Fourth Proportional to 53.42, 73.59 and 37.02

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Solution

The fourth proportional to 53.42, 73.59 and 37.02 is: 51.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.42 : 73.59 = 37.02 : x
  2. Step 2: Convert to fraction form
    53.42/73.59 = 37.02/x
  3. Step 3: Cross multiply
    53.42x = 73.59 × 37.02
  4. Step 4: Simplify right side
    53.42x = 2,724.30
  5. Step 5: Solve for x
    x = 2,724.30/53.42
  6. Step 6: Final answer
    x = 51.00

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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.