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Finding the Fourth Proportional to 53,379.84, 73,664.19 and 29,506.51

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Solution

The fourth proportional to 53,379.84, 73,664.19 and 29,506.51 is: 40,718.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,379.84 : 73,664.19 = 29,506.51 : x
  2. Step 2: Convert to fraction form
    53,379.84/73,664.19 = 29,506.51/x
  3. Step 3: Cross multiply
    53,379.84x = 73,664.19 × 29,506.51
  4. Step 4: Simplify right side
    53,379.84x = 2,173,572,790.56
  5. Step 5: Solve for x
    x = 2,173,572,790.56/53,379.84
  6. Step 6: Final answer
    x = 40,718.99

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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.