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Finding the Fourth Proportional to 60,583.68, 90,865.80 and 19,040.40

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Solution

The fourth proportional to 60,583.68, 90,865.80 and 19,040.40 is: 28,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,583.68 : 90,865.80 = 19,040.40 : x
  2. Step 2: Convert to fraction form
    60,583.68/90,865.80 = 19,040.40/x
  3. Step 3: Cross multiply
    60,583.68x = 90,865.80 × 19,040.40
  4. Step 4: Simplify right side
    60,583.68x = 1,730,121,178.32
  5. Step 5: Solve for x
    x = 1,730,121,178.32/60,583.68
  6. Step 6: Final answer
    x = 28,557.55

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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.