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Finding the Fourth Proportional to 47,703.96, 71,566.55 and 15,684.48

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Solution

The fourth proportional to 47,703.96, 71,566.55 and 15,684.48 is: 23,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,703.96 : 71,566.55 = 15,684.48 : x
  2. Step 2: Convert to fraction form
    47,703.96/71,566.55 = 15,684.48/x
  3. Step 3: Cross multiply
    47,703.96x = 71,566.55 × 15,684.48
  4. Step 4: Simplify right side
    47,703.96x = 1,122,484,122.14
  5. Step 5: Solve for x
    x = 1,122,484,122.14/47,703.96
  6. Step 6: Final answer
    x = 23,530.21

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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.