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Finding the Fourth Proportional to 52,866.77, 72,957.08 and 28,993.23

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Solution

The fourth proportional to 52,866.77, 72,957.08 and 28,993.23 is: 40,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,866.77 : 72,957.08 = 28,993.23 : x
  2. Step 2: Convert to fraction form
    52,866.77/72,957.08 = 28,993.23/x
  3. Step 3: Cross multiply
    52,866.77x = 72,957.08 × 28,993.23
  4. Step 4: Simplify right side
    52,866.77x = 2,115,261,473.05
  5. Step 5: Solve for x
    x = 2,115,261,473.05/52,866.77
  6. Step 6: Final answer
    x = 40,011.18

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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.