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Finding the Fourth Proportional to 35,693.52, 49,256.97 and 19,777.80

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Solution

The fourth proportional to 35,693.52, 49,256.97 and 19,777.80 is: 27,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,693.52 : 49,256.97 = 19,777.80 : x
  2. Step 2: Convert to fraction form
    35,693.52/49,256.97 = 19,777.80/x
  3. Step 3: Cross multiply
    35,693.52x = 49,256.97 × 19,777.80
  4. Step 4: Simplify right side
    35,693.52x = 974,194,501.27
  5. Step 5: Solve for x
    x = 974,194,501.27/35,693.52
  6. Step 6: Final answer
    x = 27,293.32

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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.