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Finding the Fourth Proportional to 53,073.96, 79,509.72 and 27,354.84

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Solution

The fourth proportional to 53,073.96, 79,509.72 and 27,354.84 is: 40,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,073.96 : 79,509.72 = 27,354.84 : x
  2. Step 2: Convert to fraction form
    53,073.96/79,509.72 = 27,354.84/x
  3. Step 3: Cross multiply
    53,073.96x = 79,509.72 × 27,354.84
  4. Step 4: Simplify right side
    53,073.96x = 2,174,975,669.04
  5. Step 5: Solve for x
    x = 2,174,975,669.04/53,073.96
  6. Step 6: Final answer
    x = 40,980.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.