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Finding the Fourth Proportional to 35,356.90, 53,034.15 and 9,061.90

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Solution

The fourth proportional to 35,356.90, 53,034.15 and 9,061.90 is: 13,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.90 : 53,034.15 = 9,061.90 : x
  2. Step 2: Convert to fraction form
    35,356.90/53,034.15 = 9,061.90/x
  3. Step 3: Cross multiply
    35,356.90x = 53,034.15 × 9,061.90
  4. Step 4: Simplify right side
    35,356.90x = 480,590,163.89
  5. Step 5: Solve for x
    x = 480,590,163.89/35,356.90
  6. Step 6: Final answer
    x = 13,592.54

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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.