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Finding the Fourth Proportional to 16,693.31, 23,038.08 and 9,622.01

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Solution

The fourth proportional to 16,693.31, 23,038.08 and 9,622.01 is: 13,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.31 : 23,038.08 = 9,622.01 : x
  2. Step 2: Convert to fraction form
    16,693.31/23,038.08 = 9,622.01/x
  3. Step 3: Cross multiply
    16,693.31x = 23,038.08 × 9,622.01
  4. Step 4: Simplify right side
    16,693.31x = 221,672,636.14
  5. Step 5: Solve for x
    x = 221,672,636.14/16,693.31
  6. Step 6: Final answer
    x = 13,279.13

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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.