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Finding the Fourth Proportional to 29,471.20, 44,206.80 and 18,973.60

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Solution

The fourth proportional to 29,471.20, 44,206.80 and 18,973.60 is: 28,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,471.20 : 44,206.80 = 18,973.60 : x
  2. Step 2: Convert to fraction form
    29,471.20/44,206.80 = 18,973.60/x
  3. Step 3: Cross multiply
    29,471.20x = 44,206.80 × 18,973.60
  4. Step 4: Simplify right side
    29,471.20x = 838,762,140.48
  5. Step 5: Solve for x
    x = 838,762,140.48/29,471.20
  6. Step 6: Final answer
    x = 28,460.40

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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.