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Finding the Fourth Proportional to 53,351.52, 73,623.12 and 29,477.70

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Solution

The fourth proportional to 53,351.52, 73,623.12 and 29,477.70 is: 40,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,351.52 : 73,623.12 = 29,477.70 : x
  2. Step 2: Convert to fraction form
    53,351.52/73,623.12 = 29,477.70/x
  3. Step 3: Cross multiply
    53,351.52x = 73,623.12 × 29,477.70
  4. Step 4: Simplify right side
    53,351.52x = 2,170,240,244.42
  5. Step 5: Solve for x
    x = 2,170,240,244.42/53,351.52
  6. Step 6: Final answer
    x = 40,678.13

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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.