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Finding the Fourth Proportional to 47,114.70, 70,672.05 and 19,048.20

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Solution

The fourth proportional to 47,114.70, 70,672.05 and 19,048.20 is: 28,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,114.70 : 70,672.05 = 19,048.20 : x
  2. Step 2: Convert to fraction form
    47,114.70/70,672.05 = 19,048.20/x
  3. Step 3: Cross multiply
    47,114.70x = 70,672.05 × 19,048.20
  4. Step 4: Simplify right side
    47,114.70x = 1,346,175,342.81
  5. Step 5: Solve for x
    x = 1,346,175,342.81/47,114.70
  6. Step 6: Final answer
    x = 28,572.30

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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.