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Finding the Fourth Proportional to 23,658.32, 32,648.64 and 13,048.64

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Solution

The fourth proportional to 23,658.32, 32,648.64 and 13,048.64 is: 18,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,658.32 : 32,648.64 = 13,048.64 : x
  2. Step 2: Convert to fraction form
    23,658.32/32,648.64 = 13,048.64/x
  3. Step 3: Cross multiply
    23,658.32x = 32,648.64 × 13,048.64
  4. Step 4: Simplify right side
    23,658.32x = 426,020,349.85
  5. Step 5: Solve for x
    x = 426,020,349.85/23,658.32
  6. Step 6: Final answer
    x = 18,007.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.