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Finding the Fourth Proportional to 19,168.74, 28,756.74 and 6,024.87

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Solution

The fourth proportional to 19,168.74, 28,756.74 and 6,024.87 is: 9,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.74 : 28,756.74 = 6,024.87 : x
  2. Step 2: Convert to fraction form
    19,168.74/28,756.74 = 6,024.87/x
  3. Step 3: Cross multiply
    19,168.74x = 28,756.74 × 6,024.87
  4. Step 4: Simplify right side
    19,168.74x = 173,255,620.12
  5. Step 5: Solve for x
    x = 173,255,620.12/19,168.74
  6. Step 6: Final answer
    x = 9,038.45

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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.