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Finding the Fourth Proportional to 61,616.46, 92,436.12 and 19,507.17

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Solution

The fourth proportional to 61,616.46, 92,436.12 and 19,507.17 is: 29,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,616.46 : 92,436.12 = 19,507.17 : x
  2. Step 2: Convert to fraction form
    61,616.46/92,436.12 = 19,507.17/x
  3. Step 3: Cross multiply
    61,616.46x = 92,436.12 × 19,507.17
  4. Step 4: Simplify right side
    61,616.46x = 1,803,167,106.98
  5. Step 5: Solve for x
    x = 1,803,167,106.98/61,616.46
  6. Step 6: Final answer
    x = 29,264.37

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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.