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Finding the Fourth Proportional to 58,445.95, 80,684.74 and 38,333.65

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Solution

The fourth proportional to 58,445.95, 80,684.74 and 38,333.65 is: 52,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,445.95 : 80,684.74 = 38,333.65 : x
  2. Step 2: Convert to fraction form
    58,445.95/80,684.74 = 38,333.65/x
  3. Step 3: Cross multiply
    58,445.95x = 80,684.74 × 38,333.65
  4. Step 4: Simplify right side
    58,445.95x = 3,092,940,583.50
  5. Step 5: Solve for x
    x = 3,092,940,583.50/58,445.95
  6. Step 6: Final answer
    x = 52,919.67

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Double scale
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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.