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Finding the Fourth Proportional to 34,760.72, 47,970.02 and 18,845.30

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Solution

The fourth proportional to 34,760.72, 47,970.02 and 18,845.30 is: 26,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,760.72 : 47,970.02 = 18,845.30 : x
  2. Step 2: Convert to fraction form
    34,760.72/47,970.02 = 18,845.30/x
  3. Step 3: Cross multiply
    34,760.72x = 47,970.02 × 18,845.30
  4. Step 4: Simplify right side
    34,760.72x = 904,009,417.91
  5. Step 5: Solve for x
    x = 904,009,417.91/34,760.72
  6. Step 6: Final answer
    x = 26,006.64

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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.