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Finding the Fourth Proportional to 28,073.67, 42,062.93 and 16,957.01

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Solution

The fourth proportional to 28,073.67, 42,062.93 and 16,957.01 is: 25,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.67 : 42,062.93 = 16,957.01 : x
  2. Step 2: Convert to fraction form
    28,073.67/42,062.93 = 16,957.01/x
  3. Step 3: Cross multiply
    28,073.67x = 42,062.93 × 16,957.01
  4. Step 4: Simplify right side
    28,073.67x = 713,261,372.00
  5. Step 5: Solve for x
    x = 713,261,372.00/28,073.67
  6. Step 6: Final answer
    x = 25,406.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.