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Finding the Fourth Proportional to 16,622.95, 22,927.93 and 9,903.40

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Solution

The fourth proportional to 16,622.95, 22,927.93 and 9,903.40 is: 13,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,622.95 : 22,927.93 = 9,903.40 : x
  2. Step 2: Convert to fraction form
    16,622.95/22,927.93 = 9,903.40/x
  3. Step 3: Cross multiply
    16,622.95x = 22,927.93 × 9,903.40
  4. Step 4: Simplify right side
    16,622.95x = 227,064,461.96
  5. Step 5: Solve for x
    x = 227,064,461.96/16,622.95
  6. Step 6: Final answer
    x = 13,659.70

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Similar ratio
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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.