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Finding the Fourth Proportional to 48,864.80, 73,297.20 and 17,688.80

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Solution

The fourth proportional to 48,864.80, 73,297.20 and 17,688.80 is: 26,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,864.80 : 73,297.20 = 17,688.80 : x
  2. Step 2: Convert to fraction form
    48,864.80/73,297.20 = 17,688.80/x
  3. Step 3: Cross multiply
    48,864.80x = 73,297.20 × 17,688.80
  4. Step 4: Simplify right side
    48,864.80x = 1,296,539,511.36
  5. Step 5: Solve for x
    x = 1,296,539,511.36/48,864.80
  6. Step 6: Final answer
    x = 26,533.20

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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.