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Finding the Fourth Proportional to 46,341.80, 69,512.70 and 28,802.60

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Solution

The fourth proportional to 46,341.80, 69,512.70 and 28,802.60 is: 43,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,341.80 : 69,512.70 = 28,802.60 : x
  2. Step 2: Convert to fraction form
    46,341.80/69,512.70 = 28,802.60/x
  3. Step 3: Cross multiply
    46,341.80x = 69,512.70 × 28,802.60
  4. Step 4: Simplify right side
    46,341.80x = 2,002,146,493.02
  5. Step 5: Solve for x
    x = 2,002,146,493.02/46,341.80
  6. Step 6: Final answer
    x = 43,203.90

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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.