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Finding the Fourth Proportional to 12,038.58, 16,612.92 and 6,733.98

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Solution

The fourth proportional to 12,038.58, 16,612.92 and 6,733.98 is: 9,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.58 : 16,612.92 = 6,733.98 : x
  2. Step 2: Convert to fraction form
    12,038.58/16,612.92 = 6,733.98/x
  3. Step 3: Cross multiply
    12,038.58x = 16,612.92 × 6,733.98
  4. Step 4: Simplify right side
    12,038.58x = 111,871,071.02
  5. Step 5: Solve for x
    x = 111,871,071.02/12,038.58
  6. Step 6: Final answer
    x = 9,292.71

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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.