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Finding the Fourth Proportional to 34,460.55, 47,551.86 and 19,354.86

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Solution

The fourth proportional to 34,460.55, 47,551.86 and 19,354.86 is: 26,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,460.55 : 47,551.86 = 19,354.86 : x
  2. Step 2: Convert to fraction form
    34,460.55/47,551.86 = 19,354.86/x
  3. Step 3: Cross multiply
    34,460.55x = 47,551.86 × 19,354.86
  4. Step 4: Simplify right side
    34,460.55x = 920,359,593.04
  5. Step 5: Solve for x
    x = 920,359,593.04/34,460.55
  6. Step 6: Final answer
    x = 26,707.63

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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.