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Finding the Fourth Proportional to 46,806.40, 70,209.60 and 40,974.40

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Solution

The fourth proportional to 46,806.40, 70,209.60 and 40,974.40 is: 61,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,806.40 : 70,209.60 = 40,974.40 : x
  2. Step 2: Convert to fraction form
    46,806.40/70,209.60 = 40,974.40/x
  3. Step 3: Cross multiply
    46,806.40x = 70,209.60 × 40,974.40
  4. Step 4: Simplify right side
    46,806.40x = 2,876,796,234.24
  5. Step 5: Solve for x
    x = 2,876,796,234.24/46,806.40
  6. Step 6: Final answer
    x = 61,461.60

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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.