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Finding the Fourth Proportional to 17,875.99, 24,668.44 and 9,918.01

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Solution

The fourth proportional to 17,875.99, 24,668.44 and 9,918.01 is: 13,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.99 : 24,668.44 = 9,918.01 : x
  2. Step 2: Convert to fraction form
    17,875.99/24,668.44 = 9,918.01/x
  3. Step 3: Cross multiply
    17,875.99x = 24,668.44 × 9,918.01
  4. Step 4: Simplify right side
    17,875.99x = 244,661,834.60
  5. Step 5: Solve for x
    x = 244,661,834.60/17,875.99
  6. Step 6: Final answer
    x = 13,686.62

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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.