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Finding the Fourth Proportional to 15,658.65, 23,494.73 and 9,090.45

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Solution

The fourth proportional to 15,658.65, 23,494.73 and 9,090.45 is: 13,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.65 : 23,494.73 = 9,090.45 : x
  2. Step 2: Convert to fraction form
    15,658.65/23,494.73 = 9,090.45/x
  3. Step 3: Cross multiply
    15,658.65x = 23,494.73 × 9,090.45
  4. Step 4: Simplify right side
    15,658.65x = 213,577,622.88
  5. Step 5: Solve for x
    x = 213,577,622.88/15,658.65
  6. Step 6: Final answer
    x = 13,639.59

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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.