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Finding the Fourth Proportional to 52,773.69, 72,827.80 and 28,574.92

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Solution

The fourth proportional to 52,773.69, 72,827.80 and 28,574.92 is: 39,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,773.69 : 72,827.80 = 28,574.92 : x
  2. Step 2: Convert to fraction form
    52,773.69/72,827.80 = 28,574.92/x
  3. Step 3: Cross multiply
    52,773.69x = 72,827.80 × 28,574.92
  4. Step 4: Simplify right side
    52,773.69x = 2,081,048,305.27
  5. Step 5: Solve for x
    x = 2,081,048,305.27/52,773.69
  6. Step 6: Final answer
    x = 39,433.44

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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.