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Finding the Fourth Proportional to 35,363.52, 53,046.36 and 11,990.16

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Solution

The fourth proportional to 35,363.52, 53,046.36 and 11,990.16 is: 17,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,363.52 : 53,046.36 = 11,990.16 : x
  2. Step 2: Convert to fraction form
    35,363.52/53,046.36 = 11,990.16/x
  3. Step 3: Cross multiply
    35,363.52x = 53,046.36 × 11,990.16
  4. Step 4: Simplify right side
    35,363.52x = 636,034,343.82
  5. Step 5: Solve for x
    x = 636,034,343.82/35,363.52
  6. Step 6: Final answer
    x = 17,985.61

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1.5x scale

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.