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Finding the Fourth Proportional to 38,603.02, 57,886.02 and 18,858.46

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Solution

The fourth proportional to 38,603.02, 57,886.02 and 18,858.46 is: 28,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,603.02 : 57,886.02 = 18,858.46 : x
  2. Step 2: Convert to fraction form
    38,603.02/57,886.02 = 18,858.46/x
  3. Step 3: Cross multiply
    38,603.02x = 57,886.02 × 18,858.46
  4. Step 4: Simplify right side
    38,603.02x = 1,091,641,192.73
  5. Step 5: Solve for x
    x = 1,091,641,192.73/38,603.02
  6. Step 6: Final answer
    x = 28,278.65

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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.