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Finding the Fourth Proportional to 34,602.02, 47,750.79 and 18,686.47

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Solution

The fourth proportional to 34,602.02, 47,750.79 and 18,686.47 is: 25,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,602.02 : 47,750.79 = 18,686.47 : x
  2. Step 2: Convert to fraction form
    34,602.02/47,750.79 = 18,686.47/x
  3. Step 3: Cross multiply
    34,602.02x = 47,750.79 × 18,686.47
  4. Step 4: Simplify right side
    34,602.02x = 892,293,704.81
  5. Step 5: Solve for x
    x = 892,293,704.81/34,602.02
  6. Step 6: Final answer
    x = 25,787.33

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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.