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Finding the Fourth Proportional to 61,520.34, 92,280.53 and 19,967.34

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Solution

The fourth proportional to 61,520.34, 92,280.53 and 19,967.34 is: 29,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,520.34 : 92,280.53 = 19,967.34 : x
  2. Step 2: Convert to fraction form
    61,520.34/92,280.53 = 19,967.34/x
  3. Step 3: Cross multiply
    61,520.34x = 92,280.53 × 19,967.34
  4. Step 4: Simplify right side
    61,520.34x = 1,842,597,113.86
  5. Step 5: Solve for x
    x = 1,842,597,113.86/61,520.34
  6. Step 6: Final answer
    x = 29,951.02

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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.