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Finding the Fourth Proportional to 48,987.48, 67,602.78 and 26,631.48

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Solution

The fourth proportional to 48,987.48, 67,602.78 and 26,631.48 is: 36,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,987.48 : 67,602.78 = 26,631.48 : x
  2. Step 2: Convert to fraction form
    48,987.48/67,602.78 = 26,631.48/x
  3. Step 3: Cross multiply
    48,987.48x = 67,602.78 × 26,631.48
  4. Step 4: Simplify right side
    48,987.48x = 1,800,362,083.51
  5. Step 5: Solve for x
    x = 1,800,362,083.51/48,987.48
  6. Step 6: Final answer
    x = 36,751.47

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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.