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Finding the Fourth Proportional to 34,280.04, 47,292.48 and 22,339

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Solution

The fourth proportional to 34,280.04, 47,292.48 and 22,339 is: 30,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,280.04 : 47,292.48 = 22,339 : x
  2. Step 2: Convert to fraction form
    34,280.04/47,292.48 = 22,339/x
  3. Step 3: Cross multiply
    34,280.04x = 47,292.48 × 22,339
  4. Step 4: Simplify right side
    34,280.04x = 1,056,466,710.72
  5. Step 5: Solve for x
    x = 1,056,466,710.72/34,280.04
  6. Step 6: Final answer
    x = 30,818.71

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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.