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Finding the Fourth Proportional to 48,735, 67,218.74 and 37,275.88

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Solution

The fourth proportional to 48,735, 67,218.74 and 37,275.88 is: 51,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,735 : 67,218.74 = 37,275.88 : x
  2. Step 2: Convert to fraction form
    48,735/67,218.74 = 37,275.88/x
  3. Step 3: Cross multiply
    48,735x = 67,218.74 × 37,275.88
  4. Step 4: Simplify right side
    48,735x = 2,505,637,685.99
  5. Step 5: Solve for x
    x = 2,505,637,685.99/48,735
  6. Step 6: Final answer
    x = 51,413.52

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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.