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Finding the Fourth Proportional to 61,311.84, 91,971.66 and 16,332.45

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Solution

The fourth proportional to 61,311.84, 91,971.66 and 16,332.45 is: 24,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,311.84 : 91,971.66 = 16,332.45 : x
  2. Step 2: Convert to fraction form
    61,311.84/91,971.66 = 16,332.45/x
  3. Step 3: Cross multiply
    61,311.84x = 91,971.66 × 16,332.45
  4. Step 4: Simplify right side
    61,311.84x = 1,502,122,538.37
  5. Step 5: Solve for x
    x = 1,502,122,538.37/61,311.84
  6. Step 6: Final answer
    x = 24,499.71

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1.5x scale

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.