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Finding the Fourth Proportional to 35,121.99, 52,683.03 and 14,345.49

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Solution

The fourth proportional to 35,121.99, 52,683.03 and 14,345.49 is: 21,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.99 : 52,683.03 = 14,345.49 : x
  2. Step 2: Convert to fraction form
    35,121.99/52,683.03 = 14,345.49/x
  3. Step 3: Cross multiply
    35,121.99x = 52,683.03 × 14,345.49
  4. Step 4: Simplify right side
    35,121.99x = 755,763,880.03
  5. Step 5: Solve for x
    x = 755,763,880.03/35,121.99
  6. Step 6: Final answer
    x = 21,518.25

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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.