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Finding the Fourth Proportional to 17,946.58, 26,908.99 and 7,423.51

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Solution

The fourth proportional to 17,946.58, 26,908.99 and 7,423.51 is: 11,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946.58 : 26,908.99 = 7,423.51 : x
  2. Step 2: Convert to fraction form
    17,946.58/26,908.99 = 7,423.51/x
  3. Step 3: Cross multiply
    17,946.58x = 26,908.99 × 7,423.51
  4. Step 4: Simplify right side
    17,946.58x = 199,759,156.35
  5. Step 5: Solve for x
    x = 199,759,156.35/17,946.58
  6. Step 6: Final answer
    x = 11,130.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.