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Finding the Fourth Proportional to 12,507.99, 18,753.15 and 6,263.53

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Solution

The fourth proportional to 12,507.99, 18,753.15 and 6,263.53 is: 9,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.99 : 18,753.15 = 6,263.53 : x
  2. Step 2: Convert to fraction form
    12,507.99/18,753.15 = 6,263.53/x
  3. Step 3: Cross multiply
    12,507.99x = 18,753.15 × 6,263.53
  4. Step 4: Simplify right side
    12,507.99x = 117,460,894.22
  5. Step 5: Solve for x
    x = 117,460,894.22/12,507.99
  6. Step 6: Final answer
    x = 9,390.87

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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.