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Finding the Fourth Proportional to 61,535.40, 92,276.10 and 28,244.40

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Solution

The fourth proportional to 61,535.40, 92,276.10 and 28,244.40 is: 42,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,535.40 : 92,276.10 = 28,244.40 : x
  2. Step 2: Convert to fraction form
    61,535.40/92,276.10 = 28,244.40/x
  3. Step 3: Cross multiply
    61,535.40x = 92,276.10 × 28,244.40
  4. Step 4: Simplify right side
    61,535.40x = 2,606,283,078.84
  5. Step 5: Solve for x
    x = 2,606,283,078.84/61,535.40
  6. Step 6: Final answer
    x = 42,354.21

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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.