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Finding the Fourth Proportional to 53,240.79, 79,910.37 and 26,963.99

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Solution

The fourth proportional to 53,240.79, 79,910.37 and 26,963.99 is: 40,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,240.79 : 79,910.37 = 26,963.99 : x
  2. Step 2: Convert to fraction form
    53,240.79/79,910.37 = 26,963.99/x
  3. Step 3: Cross multiply
    53,240.79x = 79,910.37 × 26,963.99
  4. Step 4: Simplify right side
    53,240.79x = 2,154,702,018.02
  5. Step 5: Solve for x
    x = 2,154,702,018.02/53,240.79
  6. Step 6: Final answer
    x = 40,470.89

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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.