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Finding the Fourth Proportional to 16,681.40, 23,016.93 and 9,610.10

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Solution

The fourth proportional to 16,681.40, 23,016.93 and 9,610.10 is: 13,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.40 : 23,016.93 = 9,610.10 : x
  2. Step 2: Convert to fraction form
    16,681.40/23,016.93 = 9,610.10/x
  3. Step 3: Cross multiply
    16,681.40x = 23,016.93 × 9,610.10
  4. Step 4: Simplify right side
    16,681.40x = 221,194,998.99
  5. Step 5: Solve for x
    x = 221,194,998.99/16,681.40
  6. Step 6: Final answer
    x = 13,259.98

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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.