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Finding the Fourth Proportional to 46,529.80, 69,794.70 and 28,815.10

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Solution

The fourth proportional to 46,529.80, 69,794.70 and 28,815.10 is: 43,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,529.80 : 69,794.70 = 28,815.10 : x
  2. Step 2: Convert to fraction form
    46,529.80/69,794.70 = 28,815.10/x
  3. Step 3: Cross multiply
    46,529.80x = 69,794.70 × 28,815.10
  4. Step 4: Simplify right side
    46,529.80x = 2,011,141,259.97
  5. Step 5: Solve for x
    x = 2,011,141,259.97/46,529.80
  6. Step 6: Final answer
    x = 43,222.65

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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.