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Finding the Fourth Proportional to 48,603.09, 67,073.67 and 28,458.09

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Solution

The fourth proportional to 48,603.09, 67,073.67 and 28,458.09 is: 39,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,603.09 : 67,073.67 = 28,458.09 : x
  2. Step 2: Convert to fraction form
    48,603.09/67,073.67 = 28,458.09/x
  3. Step 3: Cross multiply
    48,603.09x = 67,073.67 × 28,458.09
  4. Step 4: Simplify right side
    48,603.09x = 1,908,788,537.49
  5. Step 5: Solve for x
    x = 1,908,788,537.49/48,603.09
  6. Step 6: Final answer
    x = 39,272.99

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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.