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Finding the Fourth Proportional to 60,569.76, 90,855.44 and 19,016.76

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Solution

The fourth proportional to 60,569.76, 90,855.44 and 19,016.76 is: 28,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,569.76 : 90,855.44 = 19,016.76 : x
  2. Step 2: Convert to fraction form
    60,569.76/90,855.44 = 19,016.76/x
  3. Step 3: Cross multiply
    60,569.76x = 90,855.44 × 19,016.76
  4. Step 4: Simplify right side
    60,569.76x = 1,727,776,097.17
  5. Step 5: Solve for x
    x = 1,727,776,097.17/60,569.76
  6. Step 6: Final answer
    x = 28,525.39

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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.