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Finding the Fourth Proportional to 32,143.14, 44,358.03 and 19,396.98

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Solution

The fourth proportional to 32,143.14, 44,358.03 and 19,396.98 is: 26,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,143.14 : 44,358.03 = 19,396.98 : x
  2. Step 2: Convert to fraction form
    32,143.14/44,358.03 = 19,396.98/x
  3. Step 3: Cross multiply
    32,143.14x = 44,358.03 × 19,396.98
  4. Step 4: Simplify right side
    32,143.14x = 860,411,820.75
  5. Step 5: Solve for x
    x = 860,411,820.75/32,143.14
  6. Step 6: Final answer
    x = 26,768.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.