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Finding the Fourth Proportional to 93,475.91, 128,991.87 and 51,026.24

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Solution

The fourth proportional to 93,475.91, 128,991.87 and 51,026.24 is: 70,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,475.91 : 128,991.87 = 51,026.24 : x
  2. Step 2: Convert to fraction form
    93,475.91/128,991.87 = 51,026.24/x
  3. Step 3: Cross multiply
    93,475.91x = 128,991.87 × 51,026.24
  4. Step 4: Simplify right side
    93,475.91x = 6,581,969,471.71
  5. Step 5: Solve for x
    x = 6,581,969,471.71/93,475.91
  6. Step 6: Final answer
    x = 70,413.54

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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.