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Finding the Fourth Proportional to 56,909.67, 85,364.55 and 15,356.67

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Solution

The fourth proportional to 56,909.67, 85,364.55 and 15,356.67 is: 23,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,909.67 : 85,364.55 = 15,356.67 : x
  2. Step 2: Convert to fraction form
    56,909.67/85,364.55 = 15,356.67/x
  3. Step 3: Cross multiply
    56,909.67x = 85,364.55 × 15,356.67
  4. Step 4: Simplify right side
    56,909.67x = 1,310,915,224.05
  5. Step 5: Solve for x
    x = 1,310,915,224.05/56,909.67
  6. Step 6: Final answer
    x = 23,035.02

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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.