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Finding the Fourth Proportional to 3,053.61, 4,210.11 and 2,520.63

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Solution

The fourth proportional to 3,053.61, 4,210.11 and 2,520.63 is: 3,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.61 : 4,210.11 = 2,520.63 : x
  2. Step 2: Convert to fraction form
    3,053.61/4,210.11 = 2,520.63/x
  3. Step 3: Cross multiply
    3,053.61x = 4,210.11 × 2,520.63
  4. Step 4: Simplify right side
    3,053.61x = 10,612,129.57
  5. Step 5: Solve for x
    x = 10,612,129.57/3,053.61
  6. Step 6: Final answer
    x = 3,475.27

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.