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Finding the Fourth Proportional to 34,045.50, 51,023.88 and 17,391.50

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Solution

The fourth proportional to 34,045.50, 51,023.88 and 17,391.50 is: 26,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,045.50 : 51,023.88 = 17,391.50 : x
  2. Step 2: Convert to fraction form
    34,045.50/51,023.88 = 17,391.50/x
  3. Step 3: Cross multiply
    34,045.50x = 51,023.88 × 17,391.50
  4. Step 4: Simplify right side
    34,045.50x = 887,381,809.02
  5. Step 5: Solve for x
    x = 887,381,809.02/34,045.50
  6. Step 6: Final answer
    x = 26,064.58

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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.