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Finding the Fourth Proportional to 35.71, 53.58 and 32.50

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Solution

The fourth proportional to 35.71, 53.58 and 32.50 is: 48.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.71 : 53.58 = 32.50 : x
  2. Step 2: Convert to fraction form
    35.71/53.58 = 32.50/x
  3. Step 3: Cross multiply
    35.71x = 53.58 × 32.50
  4. Step 4: Simplify right side
    35.71x = 1,741.35
  5. Step 5: Solve for x
    x = 1,741.35/35.71
  6. Step 6: Final answer
    x = 48.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.