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Finding the Fourth Proportional to 35,358.53, 53,025.03 and 10,391.90

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Solution

The fourth proportional to 35,358.53, 53,025.03 and 10,391.90 is: 15,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,358.53 : 53,025.03 = 10,391.90 : x
  2. Step 2: Convert to fraction form
    35,358.53/53,025.03 = 10,391.90/x
  3. Step 3: Cross multiply
    35,358.53x = 53,025.03 × 10,391.90
  4. Step 4: Simplify right side
    35,358.53x = 551,030,702.67
  5. Step 5: Solve for x
    x = 551,030,702.67/35,358.53
  6. Step 6: Final answer
    x = 15,584.10

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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.