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Finding the Fourth Proportional to 12,535.58, 18,803.12 and 5,040.84

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Solution

The fourth proportional to 12,535.58, 18,803.12 and 5,040.84 is: 7,561.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.58 : 18,803.12 = 5,040.84 : x
  2. Step 2: Convert to fraction form
    12,535.58/18,803.12 = 5,040.84/x
  3. Step 3: Cross multiply
    12,535.58x = 18,803.12 × 5,040.84
  4. Step 4: Simplify right side
    12,535.58x = 94,783,494.22
  5. Step 5: Solve for x
    x = 94,783,494.22/12,535.58
  6. Step 6: Final answer
    x = 7,561.16

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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.