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Finding the Fourth Proportional to 34,213.95, 51,337.95 and 19,211.76

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Solution

The fourth proportional to 34,213.95, 51,337.95 and 19,211.76 is: 28,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,213.95 : 51,337.95 = 19,211.76 : x
  2. Step 2: Convert to fraction form
    34,213.95/51,337.95 = 19,211.76/x
  3. Step 3: Cross multiply
    34,213.95x = 51,337.95 × 19,211.76
  4. Step 4: Simplify right side
    34,213.95x = 986,292,374.29
  5. Step 5: Solve for x
    x = 986,292,374.29/34,213.95
  6. Step 6: Final answer
    x = 28,827.20

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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.