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Finding the Fourth Proportional to 61,601.90, 92,411.95 and 19,472.42

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Solution

The fourth proportional to 61,601.90, 92,411.95 and 19,472.42 is: 29,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,601.90 : 92,411.95 = 19,472.42 : x
  2. Step 2: Convert to fraction form
    61,601.90/92,411.95 = 19,472.42/x
  3. Step 3: Cross multiply
    61,601.90x = 92,411.95 × 19,472.42
  4. Step 4: Simplify right side
    61,601.90x = 1,799,484,485.77
  5. Step 5: Solve for x
    x = 1,799,484,485.77/61,601.90
  6. Step 6: Final answer
    x = 29,211.51

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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.