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Finding the Fourth Proportional to 15,991.49, 23,987.14 and 4,898.14

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Solution

The fourth proportional to 15,991.49, 23,987.14 and 4,898.14 is: 7,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.49 : 23,987.14 = 4,898.14 : x
  2. Step 2: Convert to fraction form
    15,991.49/23,987.14 = 4,898.14/x
  3. Step 3: Cross multiply
    15,991.49x = 23,987.14 × 4,898.14
  4. Step 4: Simplify right side
    15,991.49x = 117,492,297.71
  5. Step 5: Solve for x
    x = 117,492,297.71/15,991.49
  6. Step 6: Final answer
    x = 7,347.18

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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.