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Finding the Fourth Proportional to 61,622.58, 92,440.36 and 19,508.46

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Solution

The fourth proportional to 61,622.58, 92,440.36 and 19,508.46 is: 29,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,622.58 : 92,440.36 = 19,508.46 : x
  2. Step 2: Convert to fraction form
    61,622.58/92,440.36 = 19,508.46/x
  3. Step 3: Cross multiply
    61,622.58x = 92,440.36 × 19,508.46
  4. Step 4: Simplify right side
    61,622.58x = 1,803,369,065.45
  5. Step 5: Solve for x
    x = 1,803,369,065.45/61,622.58
  6. Step 6: Final answer
    x = 29,264.74

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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.