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Finding the Fourth Proportional to 53,662.65, 74,050.76 and 29,787.45

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Solution

The fourth proportional to 53,662.65, 74,050.76 and 29,787.45 is: 41,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,662.65 : 74,050.76 = 29,787.45 : x
  2. Step 2: Convert to fraction form
    53,662.65/74,050.76 = 29,787.45/x
  3. Step 3: Cross multiply
    53,662.65x = 74,050.76 × 29,787.45
  4. Step 4: Simplify right side
    53,662.65x = 2,205,783,162.02
  5. Step 5: Solve for x
    x = 2,205,783,162.02/53,662.65
  6. Step 6: Final answer
    x = 41,104.63

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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.