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Finding the Fourth Proportional to 60,466.19, 90,705.90 and 20,514.02

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Solution

The fourth proportional to 60,466.19, 90,705.90 and 20,514.02 is: 30,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,466.19 : 90,705.90 = 20,514.02 : x
  2. Step 2: Convert to fraction form
    60,466.19/90,705.90 = 20,514.02/x
  3. Step 3: Cross multiply
    60,466.19x = 90,705.90 × 20,514.02
  4. Step 4: Simplify right side
    60,466.19x = 1,860,742,646.72
  5. Step 5: Solve for x
    x = 1,860,742,646.72/60,466.19
  6. Step 6: Final answer
    x = 30,773.27

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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.