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Finding the Fourth Proportional to 35,658.72, 53,485.92 and 9,362.88

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Solution

The fourth proportional to 35,658.72, 53,485.92 and 9,362.88 is: 14,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.72 : 53,485.92 = 9,362.88 : x
  2. Step 2: Convert to fraction form
    35,658.72/53,485.92 = 9,362.88/x
  3. Step 3: Cross multiply
    35,658.72x = 53,485.92 × 9,362.88
  4. Step 4: Simplify right side
    35,658.72x = 500,782,250.65
  5. Step 5: Solve for x
    x = 500,782,250.65/35,658.72
  6. Step 6: Final answer
    x = 14,043.75

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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.