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Finding the Fourth Proportional to 38,777.94, 53,401.68 and 37,006.47

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Solution

The fourth proportional to 38,777.94, 53,401.68 and 37,006.47 is: 50,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,777.94 : 53,401.68 = 37,006.47 : x
  2. Step 2: Convert to fraction form
    38,777.94/53,401.68 = 37,006.47/x
  3. Step 3: Cross multiply
    38,777.94x = 53,401.68 × 37,006.47
  4. Step 4: Simplify right side
    38,777.94x = 1,976,207,668.87
  5. Step 5: Solve for x
    x = 1,976,207,668.87/38,777.94
  6. Step 6: Final answer
    x = 50,962.16

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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.