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Finding the Fourth Proportional to 61,453.28, 92,194.50 and 19,900.28

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Solution

The fourth proportional to 61,453.28, 92,194.50 and 19,900.28 is: 29,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,453.28 : 92,194.50 = 19,900.28 : x
  2. Step 2: Convert to fraction form
    61,453.28/92,194.50 = 19,900.28/x
  3. Step 3: Cross multiply
    61,453.28x = 92,194.50 × 19,900.28
  4. Step 4: Simplify right side
    61,453.28x = 1,834,696,364.46
  5. Step 5: Solve for x
    x = 1,834,696,364.46/61,453.28
  6. Step 6: Final answer
    x = 29,855.14

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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.