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Finding the Fourth Proportional to 35,359.52, 53,031.80 and 10,392.77

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Solution

The fourth proportional to 35,359.52, 53,031.80 and 10,392.77 is: 15,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,359.52 : 53,031.80 = 10,392.77 : x
  2. Step 2: Convert to fraction form
    35,359.52/53,031.80 = 10,392.77/x
  3. Step 3: Cross multiply
    35,359.52x = 53,031.80 × 10,392.77
  4. Step 4: Simplify right side
    35,359.52x = 551,147,458.65
  5. Step 5: Solve for x
    x = 551,147,458.65/35,359.52
  6. Step 6: Final answer
    x = 15,586.96

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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.