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Finding the Fourth Proportional to 53,381.69, 73,663.53 and 29,506.94

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Solution

The fourth proportional to 53,381.69, 73,663.53 and 29,506.94 is: 40,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,381.69 : 73,663.53 = 29,506.94 : x
  2. Step 2: Convert to fraction form
    53,381.69/73,663.53 = 29,506.94/x
  3. Step 3: Cross multiply
    53,381.69x = 73,663.53 × 29,506.94
  4. Step 4: Simplify right side
    53,381.69x = 2,173,585,359.90
  5. Step 5: Solve for x
    x = 2,173,585,359.90/53,381.69
  6. Step 6: Final answer
    x = 40,717.81

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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.