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Finding the Fourth Proportional to 46,869.80, 70,222.69 and 39,022.74

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Solution

The fourth proportional to 46,869.80, 70,222.69 and 39,022.74 is: 58,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,869.80 : 70,222.69 = 39,022.74 : x
  2. Step 2: Convert to fraction form
    46,869.80/70,222.69 = 39,022.74/x
  3. Step 3: Cross multiply
    46,869.80x = 70,222.69 × 39,022.74
  4. Step 4: Simplify right side
    46,869.80x = 2,740,282,042.19
  5. Step 5: Solve for x
    x = 2,740,282,042.19/46,869.80
  6. Step 6: Final answer
    x = 58,465.83

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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.