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Finding the Fourth Proportional to 12,534.99, 18,801.02 and 5,038.25

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Solution

The fourth proportional to 12,534.99, 18,801.02 and 5,038.25 is: 7,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.99 : 18,801.02 = 5,038.25 : x
  2. Step 2: Convert to fraction form
    12,534.99/18,801.02 = 5,038.25/x
  3. Step 3: Cross multiply
    12,534.99x = 18,801.02 × 5,038.25
  4. Step 4: Simplify right side
    12,534.99x = 94,724,119.82
  5. Step 5: Solve for x
    x = 94,724,119.82/12,534.99
  6. Step 6: Final answer
    x = 7,556.78

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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.