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Finding the Fourth Proportional to 31,026.99, 46,559.93 and 12,558.99

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Solution

The fourth proportional to 31,026.99, 46,559.93 and 12,558.99 is: 18,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,026.99 : 46,559.93 = 12,558.99 : x
  2. Step 2: Convert to fraction form
    31,026.99/46,559.93 = 12,558.99/x
  3. Step 3: Cross multiply
    31,026.99x = 46,559.93 × 12,558.99
  4. Step 4: Simplify right side
    31,026.99x = 584,745,632.48
  5. Step 5: Solve for x
    x = 584,745,632.48/31,026.99
  6. Step 6: Final answer
    x = 18,846.35

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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.