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Finding the Fourth Proportional to 61,359.84, 92,019.84 and 19,797.12

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Solution

The fourth proportional to 61,359.84, 92,019.84 and 19,797.12 is: 29,689.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,359.84 : 92,019.84 = 19,797.12 : x
  2. Step 2: Convert to fraction form
    61,359.84/92,019.84 = 19,797.12/x
  3. Step 3: Cross multiply
    61,359.84x = 92,019.84 × 19,797.12
  4. Step 4: Simplify right side
    61,359.84x = 1,821,727,814.86
  5. Step 5: Solve for x
    x = 1,821,727,814.86/61,359.84
  6. Step 6: Final answer
    x = 29,689.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.