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Finding the Fourth Proportional to 48,637.40, 72,899.40 and 22,344.80

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Solution

The fourth proportional to 48,637.40, 72,899.40 and 22,344.80 is: 33,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,637.40 : 72,899.40 = 22,344.80 : x
  2. Step 2: Convert to fraction form
    48,637.40/72,899.40 = 22,344.80/x
  3. Step 3: Cross multiply
    48,637.40x = 72,899.40 × 22,344.80
  4. Step 4: Simplify right side
    48,637.40x = 1,628,922,513.12
  5. Step 5: Solve for x
    x = 1,628,922,513.12/48,637.40
  6. Step 6: Final answer
    x = 33,491.15

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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.