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Finding the Fourth Proportional to 29,658.86, 40,925.19 and 17,719.67

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Solution

The fourth proportional to 29,658.86, 40,925.19 and 17,719.67 is: 24,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,658.86 : 40,925.19 = 17,719.67 : x
  2. Step 2: Convert to fraction form
    29,658.86/40,925.19 = 17,719.67/x
  3. Step 3: Cross multiply
    29,658.86x = 40,925.19 × 17,719.67
  4. Step 4: Simplify right side
    29,658.86x = 725,180,656.86
  5. Step 5: Solve for x
    x = 725,180,656.86/29,658.86
  6. Step 6: Final answer
    x = 24,450.73

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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.