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Finding the Fourth Proportional to 93,879.15, 129,524.58 and 53,590.56

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Solution

The fourth proportional to 93,879.15, 129,524.58 and 53,590.56 is: 73,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,879.15 : 129,524.58 = 53,590.56 : x
  2. Step 2: Convert to fraction form
    93,879.15/129,524.58 = 53,590.56/x
  3. Step 3: Cross multiply
    93,879.15x = 129,524.58 × 53,590.56
  4. Step 4: Simplify right side
    93,879.15x = 6,941,294,775.96
  5. Step 5: Solve for x
    x = 6,941,294,775.96/93,879.15
  6. Step 6: Final answer
    x = 73,938.62

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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.