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Finding the Fourth Proportional to 46,829.80, 70,244.70 and 31,083.40

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Solution

The fourth proportional to 46,829.80, 70,244.70 and 31,083.40 is: 46,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,829.80 : 70,244.70 = 31,083.40 : x
  2. Step 2: Convert to fraction form
    46,829.80/70,244.70 = 31,083.40/x
  3. Step 3: Cross multiply
    46,829.80x = 70,244.70 × 31,083.40
  4. Step 4: Simplify right side
    46,829.80x = 2,183,444,107.98
  5. Step 5: Solve for x
    x = 2,183,444,107.98/46,829.80
  6. Step 6: Final answer
    x = 46,625.10

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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.