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Finding the Fourth Proportional to 35,570.48, 49,082.76 and 19,654.99

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Solution

The fourth proportional to 35,570.48, 49,082.76 and 19,654.99 is: 27,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,570.48 : 49,082.76 = 19,654.99 : x
  2. Step 2: Convert to fraction form
    35,570.48/49,082.76 = 19,654.99/x
  3. Step 3: Cross multiply
    35,570.48x = 49,082.76 × 19,654.99
  4. Step 4: Simplify right side
    35,570.48x = 964,721,034.27
  5. Step 5: Solve for x
    x = 964,721,034.27/35,570.48
  6. Step 6: Final answer
    x = 27,121.40

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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.