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Finding the Fourth Proportional to 53,343, 73,613.06 and 29,469.67

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Solution

The fourth proportional to 53,343, 73,613.06 and 29,469.67 is: 40,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,343 : 73,613.06 = 29,469.67 : x
  2. Step 2: Convert to fraction form
    53,343/73,613.06 = 29,469.67/x
  3. Step 3: Cross multiply
    53,343x = 73,613.06 × 29,469.67
  4. Step 4: Simplify right side
    53,343x = 2,169,352,254.51
  5. Step 5: Solve for x
    x = 2,169,352,254.51/53,343
  6. Step 6: Final answer
    x = 40,667.98

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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.