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Finding the Fourth Proportional to 46,957.87, 70,445.01 and 20,661.93

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Solution

The fourth proportional to 46,957.87, 70,445.01 and 20,661.93 is: 30,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,957.87 : 70,445.01 = 20,661.93 : x
  2. Step 2: Convert to fraction form
    46,957.87/70,445.01 = 20,661.93/x
  3. Step 3: Cross multiply
    46,957.87x = 70,445.01 × 20,661.93
  4. Step 4: Simplify right side
    46,957.87x = 1,455,529,826.73
  5. Step 5: Solve for x
    x = 1,455,529,826.73/46,957.87
  6. Step 6: Final answer
    x = 30,996.50

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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.