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Finding the Fourth Proportional to 35,774.46, 49,369.08 and 19,860.42

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Solution

The fourth proportional to 35,774.46, 49,369.08 and 19,860.42 is: 27,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,774.46 : 49,369.08 = 19,860.42 : x
  2. Step 2: Convert to fraction form
    35,774.46/49,369.08 = 19,860.42/x
  3. Step 3: Cross multiply
    35,774.46x = 49,369.08 × 19,860.42
  4. Step 4: Simplify right side
    35,774.46x = 980,490,663.81
  5. Step 5: Solve for x
    x = 980,490,663.81/35,774.46
  6. Step 6: Final answer
    x = 27,407.56

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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.