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Finding the Fourth Proportional to 31,671.88, 47,493.98 and 15,036.68

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Solution

The fourth proportional to 31,671.88, 47,493.98 and 15,036.68 is: 22,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,671.88 : 47,493.98 = 15,036.68 : x
  2. Step 2: Convert to fraction form
    31,671.88/47,493.98 = 15,036.68/x
  3. Step 3: Cross multiply
    31,671.88x = 47,493.98 × 15,036.68
  4. Step 4: Simplify right side
    31,671.88x = 714,151,779.19
  5. Step 5: Solve for x
    x = 714,151,779.19/31,671.88
  6. Step 6: Final answer
    x = 22,548.45

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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.