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Finding the Fourth Proportional to 47,291.34, 70,938.99 and 15,704.22

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Solution

The fourth proportional to 47,291.34, 70,938.99 and 15,704.22 is: 23,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291.34 : 70,938.99 = 15,704.22 : x
  2. Step 2: Convert to fraction form
    47,291.34/70,938.99 = 15,704.22/x
  3. Step 3: Cross multiply
    47,291.34x = 70,938.99 × 15,704.22
  4. Step 4: Simplify right side
    47,291.34x = 1,114,041,505.54
  5. Step 5: Solve for x
    x = 1,114,041,505.54/47,291.34
  6. Step 6: Final answer
    x = 23,556.99

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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.