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Finding the Fourth Proportional to 19,064.58, 28,592.81 and 12,035.20

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Solution

The fourth proportional to 19,064.58, 28,592.81 and 12,035.20 is: 18,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.58 : 28,592.81 = 12,035.20 : x
  2. Step 2: Convert to fraction form
    19,064.58/28,592.81 = 12,035.20/x
  3. Step 3: Cross multiply
    19,064.58x = 28,592.81 × 12,035.20
  4. Step 4: Simplify right side
    19,064.58x = 344,120,126.74
  5. Step 5: Solve for x
    x = 344,120,126.74/19,064.58
  6. Step 6: Final answer
    x = 18,050.23

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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.