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Finding the Fourth Proportional to 34,695.68, 52,043.40 and 8,400.40

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Solution

The fourth proportional to 34,695.68, 52,043.40 and 8,400.40 is: 12,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,695.68 : 52,043.40 = 8,400.40 : x
  2. Step 2: Convert to fraction form
    34,695.68/52,043.40 = 8,400.40/x
  3. Step 3: Cross multiply
    34,695.68x = 52,043.40 × 8,400.40
  4. Step 4: Simplify right side
    34,695.68x = 437,185,377.36
  5. Step 5: Solve for x
    x = 437,185,377.36/34,695.68
  6. Step 6: Final answer
    x = 12,600.57

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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.