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Finding the Fourth Proportional to 60,583.42, 90,878.76 and 19,030.42

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Solution

The fourth proportional to 60,583.42, 90,878.76 and 19,030.42 is: 28,546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,583.42 : 90,878.76 = 19,030.42 : x
  2. Step 2: Convert to fraction form
    60,583.42/90,878.76 = 19,030.42/x
  3. Step 3: Cross multiply
    60,583.42x = 90,878.76 × 19,030.42
  4. Step 4: Simplify right side
    60,583.42x = 1,729,460,971.88
  5. Step 5: Solve for x
    x = 1,729,460,971.88/60,583.42
  6. Step 6: Final answer
    x = 28,546.77

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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.