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Finding the Fourth Proportional to 66,448.80, 99,673.20 and 48,952.80

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Solution

The fourth proportional to 66,448.80, 99,673.20 and 48,952.80 is: 73,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,448.80 : 99,673.20 = 48,952.80 : x
  2. Step 2: Convert to fraction form
    66,448.80/99,673.20 = 48,952.80/x
  3. Step 3: Cross multiply
    66,448.80x = 99,673.20 × 48,952.80
  4. Step 4: Simplify right side
    66,448.80x = 4,879,282,224.96
  5. Step 5: Solve for x
    x = 4,879,282,224.96/66,448.80
  6. Step 6: Final answer
    x = 73,429.20

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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.