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Finding the Fourth Proportional to 61,492.78, 92,030.67 and 37,815.22

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Solution

The fourth proportional to 61,492.78, 92,030.67 and 37,815.22 is: 56,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,492.78 : 92,030.67 = 37,815.22 : x
  2. Step 2: Convert to fraction form
    61,492.78/92,030.67 = 37,815.22/x
  3. Step 3: Cross multiply
    61,492.78x = 92,030.67 × 37,815.22
  4. Step 4: Simplify right side
    61,492.78x = 3,480,160,032.80
  5. Step 5: Solve for x
    x = 3,480,160,032.80/61,492.78
  6. Step 6: Final answer
    x = 56,594.61

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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.