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Finding the Fourth Proportional to 61,483.40, 92,308.02 and 39,340

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Solution

The fourth proportional to 61,483.40, 92,308.02 and 39,340 is: 59,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,483.40 : 92,308.02 = 39,340 : x
  2. Step 2: Convert to fraction form
    61,483.40/92,308.02 = 39,340/x
  3. Step 3: Cross multiply
    61,483.40x = 92,308.02 × 39,340
  4. Step 4: Simplify right side
    61,483.40x = 3,631,397,506.80
  5. Step 5: Solve for x
    x = 3,631,397,506.80/61,483.40
  6. Step 6: Final answer
    x = 59,063.06

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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.