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Finding the Fourth Proportional to 34,280.60, 47,292 and 22,341.20

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Solution

The fourth proportional to 34,280.60, 47,292 and 22,341.20 is: 30,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,280.60 : 47,292 = 22,341.20 : x
  2. Step 2: Convert to fraction form
    34,280.60/47,292 = 22,341.20/x
  3. Step 3: Cross multiply
    34,280.60x = 47,292 × 22,341.20
  4. Step 4: Simplify right side
    34,280.60x = 1,056,560,030.40
  5. Step 5: Solve for x
    x = 1,056,560,030.40/34,280.60
  6. Step 6: Final answer
    x = 30,820.93

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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.