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Finding the Fourth Proportional to 46,991.72, 70,492.03 and 17,013.52

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Solution

The fourth proportional to 46,991.72, 70,492.03 and 17,013.52 is: 25,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,991.72 : 70,492.03 = 17,013.52 : x
  2. Step 2: Convert to fraction form
    46,991.72/70,492.03 = 17,013.52/x
  3. Step 3: Cross multiply
    46,991.72x = 70,492.03 × 17,013.52
  4. Step 4: Simplify right side
    46,991.72x = 1,199,317,343.48
  5. Step 5: Solve for x
    x = 1,199,317,343.48/46,991.72
  6. Step 6: Final answer
    x = 25,521.89

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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.