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Finding the Fourth Proportional to 17,045.21, 23,528.81 and 9,973.91

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Solution

The fourth proportional to 17,045.21, 23,528.81 and 9,973.91 is: 13,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,045.21 : 23,528.81 = 9,973.91 : x
  2. Step 2: Convert to fraction form
    17,045.21/23,528.81 = 9,973.91/x
  3. Step 3: Cross multiply
    17,045.21x = 23,528.81 × 9,973.91
  4. Step 4: Simplify right side
    17,045.21x = 234,674,233.35
  5. Step 5: Solve for x
    x = 234,674,233.35/17,045.21
  6. Step 6: Final answer
    x = 13,767.75

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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.