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Finding the Fourth Proportional to 52,519.78, 72,477.52 and 28,646.97

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Solution

The fourth proportional to 52,519.78, 72,477.52 and 28,646.97 is: 39,532.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,519.78 : 72,477.52 = 28,646.97 : x
  2. Step 2: Convert to fraction form
    52,519.78/72,477.52 = 28,646.97/x
  3. Step 3: Cross multiply
    52,519.78x = 72,477.52 × 28,646.97
  4. Step 4: Simplify right side
    52,519.78x = 2,076,261,118.56
  5. Step 5: Solve for x
    x = 2,076,261,118.56/52,519.78
  6. Step 6: Final answer
    x = 39,532.94

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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.