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Finding the Fourth Proportional to 31,502.03, 47,262.27 and 9,315.98

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Solution

The fourth proportional to 31,502.03, 47,262.27 and 9,315.98 is: 13,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502.03 : 47,262.27 = 9,315.98 : x
  2. Step 2: Convert to fraction form
    31,502.03/47,262.27 = 9,315.98/x
  3. Step 3: Cross multiply
    31,502.03x = 47,262.27 × 9,315.98
  4. Step 4: Simplify right side
    31,502.03x = 440,294,362.07
  5. Step 5: Solve for x
    x = 440,294,362.07/31,502.03
  6. Step 6: Final answer
    x = 13,976.70

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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.