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Finding the Fourth Proportional to 58.95, 88.70 and 43.83

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Solution

The fourth proportional to 58.95, 88.70 and 43.83 is: 65.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.95 : 88.70 = 43.83 : x
  2. Step 2: Convert to fraction form
    58.95/88.70 = 43.83/x
  3. Step 3: Cross multiply
    58.95x = 88.70 × 43.83
  4. Step 4: Simplify right side
    58.95x = 3,887.50
  5. Step 5: Solve for x
    x = 3,887.50/58.95
  6. Step 6: Final answer
    x = 65.95

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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.