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Finding the Fourth Proportional to 52,284.81, 72,155.81 and 29,628.20

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Solution

The fourth proportional to 52,284.81, 72,155.81 and 29,628.20 is: 40,888.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,284.81 : 72,155.81 = 29,628.20 : x
  2. Step 2: Convert to fraction form
    52,284.81/72,155.81 = 29,628.20/x
  3. Step 3: Cross multiply
    52,284.81x = 72,155.81 × 29,628.20
  4. Step 4: Simplify right side
    52,284.81x = 2,137,846,769.84
  5. Step 5: Solve for x
    x = 2,137,846,769.84/52,284.81
  6. Step 6: Final answer
    x = 40,888.49

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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.