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Finding the Fourth Proportional to 8,753.94, 13,130.10 and 3,555.90

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Solution

The fourth proportional to 8,753.94, 13,130.10 and 3,555.90 is: 5,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.94 : 13,130.10 = 3,555.90 : x
  2. Step 2: Convert to fraction form
    8,753.94/13,130.10 = 3,555.90/x
  3. Step 3: Cross multiply
    8,753.94x = 13,130.10 × 3,555.90
  4. Step 4: Simplify right side
    8,753.94x = 46,689,322.59
  5. Step 5: Solve for x
    x = 46,689,322.59/8,753.94
  6. Step 6: Final answer
    x = 5,333.52

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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.