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Finding the Fourth Proportional to 53,342.84, 73,615.86 and 29,469.32

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Solution

The fourth proportional to 53,342.84, 73,615.86 and 29,469.32 is: 40,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,342.84 : 73,615.86 = 29,469.32 : x
  2. Step 2: Convert to fraction form
    53,342.84/73,615.86 = 29,469.32/x
  3. Step 3: Cross multiply
    53,342.84x = 73,615.86 × 29,469.32
  4. Step 4: Simplify right side
    53,342.84x = 2,169,409,335.42
  5. Step 5: Solve for x
    x = 2,169,409,335.42/53,342.84
  6. Step 6: Final answer
    x = 40,669.18

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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.