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Finding the Fourth Proportional to 52,668.32, 72,682.99 and 28,794.93

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Solution

The fourth proportional to 52,668.32, 72,682.99 and 28,794.93 is: 39,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,668.32 : 72,682.99 = 28,794.93 : x
  2. Step 2: Convert to fraction form
    52,668.32/72,682.99 = 28,794.93/x
  3. Step 3: Cross multiply
    52,668.32x = 72,682.99 × 28,794.93
  4. Step 4: Simplify right side
    52,668.32x = 2,092,901,465.27
  5. Step 5: Solve for x
    x = 2,092,901,465.27/52,668.32
  6. Step 6: Final answer
    x = 39,737.39

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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.