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Finding the Fourth Proportional to 35,520.90, 53,310.15 and 34,368.90

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Solution

The fourth proportional to 35,520.90, 53,310.15 and 34,368.90 is: 51,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520.90 : 53,310.15 = 34,368.90 : x
  2. Step 2: Convert to fraction form
    35,520.90/53,310.15 = 34,368.90/x
  3. Step 3: Cross multiply
    35,520.90x = 53,310.15 × 34,368.90
  4. Step 4: Simplify right side
    35,520.90x = 1,832,211,214.34
  5. Step 5: Solve for x
    x = 1,832,211,214.34/35,520.90
  6. Step 6: Final answer
    x = 51,581.22

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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.