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Finding the Fourth Proportional to 16,412.93, 22,649.93 and 9,339.35

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Solution

The fourth proportional to 16,412.93, 22,649.93 and 9,339.35 is: 12,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,412.93 : 22,649.93 = 9,339.35 : x
  2. Step 2: Convert to fraction form
    16,412.93/22,649.93 = 9,339.35/x
  3. Step 3: Cross multiply
    16,412.93x = 22,649.93 × 9,339.35
  4. Step 4: Simplify right side
    16,412.93x = 211,535,463.80
  5. Step 5: Solve for x
    x = 211,535,463.80/16,412.93
  6. Step 6: Final answer
    x = 12,888.35

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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.