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Finding the Fourth Proportional to 14,792.83, 20,415.85 and 8,332.68

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Solution

The fourth proportional to 14,792.83, 20,415.85 and 8,332.68 is: 11,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,792.83 : 20,415.85 = 8,332.68 : x
  2. Step 2: Convert to fraction form
    14,792.83/20,415.85 = 8,332.68/x
  3. Step 3: Cross multiply
    14,792.83x = 20,415.85 × 8,332.68
  4. Step 4: Simplify right side
    14,792.83x = 170,118,744.98
  5. Step 5: Solve for x
    x = 170,118,744.98/14,792.83
  6. Step 6: Final answer
    x = 11,500.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.