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Finding the Fourth Proportional to 17,001.81, 23,461.99 and 9,345.11

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Solution

The fourth proportional to 17,001.81, 23,461.99 and 9,345.11 is: 12,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,001.81 : 23,461.99 = 9,345.11 : x
  2. Step 2: Convert to fraction form
    17,001.81/23,461.99 = 9,345.11/x
  3. Step 3: Cross multiply
    17,001.81x = 23,461.99 × 9,345.11
  4. Step 4: Simplify right side
    17,001.81x = 219,254,877.37
  5. Step 5: Solve for x
    x = 219,254,877.37/17,001.81
  6. Step 6: Final answer
    x = 12,895.97

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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.