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Finding the Fourth Proportional to 52,800.55, 72,866.06 and 28,927.24

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Solution

The fourth proportional to 52,800.55, 72,866.06 and 28,927.24 is: 39,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,800.55 : 72,866.06 = 28,927.24 : x
  2. Step 2: Convert to fraction form
    52,800.55/72,866.06 = 28,927.24/x
  3. Step 3: Cross multiply
    52,800.55x = 72,866.06 × 28,927.24
  4. Step 4: Simplify right side
    52,800.55x = 2,107,814,005.47
  5. Step 5: Solve for x
    x = 2,107,814,005.47/52,800.55
  6. Step 6: Final answer
    x = 39,920.30

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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.