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Finding the Fourth Proportional to 31,658.58, 47,473.29 and 17,807.58

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Solution

The fourth proportional to 31,658.58, 47,473.29 and 17,807.58 is: 26,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658.58 : 47,473.29 = 17,807.58 : x
  2. Step 2: Convert to fraction form
    31,658.58/47,473.29 = 17,807.58/x
  3. Step 3: Cross multiply
    31,658.58x = 47,473.29 × 17,807.58
  4. Step 4: Simplify right side
    31,658.58x = 845,384,409.54
  5. Step 5: Solve for x
    x = 845,384,409.54/31,658.58
  6. Step 6: Final answer
    x = 26,703.17

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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.