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Finding the Fourth Proportional to 35,690.52, 53,530.92 and 9,393.06

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Solution

The fourth proportional to 35,690.52, 53,530.92 and 9,393.06 is: 14,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.52 : 53,530.92 = 9,393.06 : x
  2. Step 2: Convert to fraction form
    35,690.52/53,530.92 = 9,393.06/x
  3. Step 3: Cross multiply
    35,690.52x = 53,530.92 × 9,393.06
  4. Step 4: Simplify right side
    35,690.52x = 502,819,143.42
  5. Step 5: Solve for x
    x = 502,819,143.42/35,690.52
  6. Step 6: Final answer
    x = 14,088.31

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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.