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Finding the Fourth Proportional to 28,603.53, 42,694.90 and 26,597.97

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Solution

The fourth proportional to 28,603.53, 42,694.90 and 26,597.97 is: 39,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.53 : 42,694.90 = 26,597.97 : x
  2. Step 2: Convert to fraction form
    28,603.53/42,694.90 = 26,597.97/x
  3. Step 3: Cross multiply
    28,603.53x = 42,694.90 × 26,597.97
  4. Step 4: Simplify right side
    28,603.53x = 1,135,597,602.86
  5. Step 5: Solve for x
    x = 1,135,597,602.86/28,603.53
  6. Step 6: Final answer
    x = 39,701.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.