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Finding the Fourth Proportional to 35,990.58, 53,984.64 and 9,694.35

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Solution

The fourth proportional to 35,990.58, 53,984.64 and 9,694.35 is: 14,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.58 : 53,984.64 = 9,694.35 : x
  2. Step 2: Convert to fraction form
    35,990.58/53,984.64 = 9,694.35/x
  3. Step 3: Cross multiply
    35,990.58x = 53,984.64 × 9,694.35
  4. Step 4: Simplify right side
    35,990.58x = 523,345,994.78
  5. Step 5: Solve for x
    x = 523,345,994.78/35,990.58
  6. Step 6: Final answer
    x = 14,541.19

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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.