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Finding the Fourth Proportional to 35,294.61, 48,707.35 and 19,379.12

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Solution

The fourth proportional to 35,294.61, 48,707.35 and 19,379.12 is: 26,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,294.61 : 48,707.35 = 19,379.12 : x
  2. Step 2: Convert to fraction form
    35,294.61/48,707.35 = 19,379.12/x
  3. Step 3: Cross multiply
    35,294.61x = 48,707.35 × 19,379.12
  4. Step 4: Simplify right side
    35,294.61x = 943,905,653.85
  5. Step 5: Solve for x
    x = 943,905,653.85/35,294.61
  6. Step 6: Final answer
    x = 26,743.62

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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.