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Finding the Fourth Proportional to 58.58, 87.83 and 22.00

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Solution

The fourth proportional to 58.58, 87.83 and 22.00 is: 32.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.58 : 87.83 = 22.00 : x
  2. Step 2: Convert to fraction form
    58.58/87.83 = 22.00/x
  3. Step 3: Cross multiply
    58.58x = 87.83 × 22.00
  4. Step 4: Simplify right side
    58.58x = 1,931.71
  5. Step 5: Solve for x
    x = 1,931.71/58.58
  6. Step 6: Final answer
    x = 32.98

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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.