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Finding the Fourth Proportional to 34,130.85, 47,094.86 and 19,020.20

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Solution

The fourth proportional to 34,130.85, 47,094.86 and 19,020.20 is: 26,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,130.85 : 47,094.86 = 19,020.20 : x
  2. Step 2: Convert to fraction form
    34,130.85/47,094.86 = 19,020.20/x
  3. Step 3: Cross multiply
    34,130.85x = 47,094.86 × 19,020.20
  4. Step 4: Simplify right side
    34,130.85x = 895,753,325.60
  5. Step 5: Solve for x
    x = 895,753,325.60/34,130.85
  6. Step 6: Final answer
    x = 26,244.68

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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.