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Finding the Fourth Proportional to 35,208.34, 52,812.74 and 8,913.16

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Solution

The fourth proportional to 35,208.34, 52,812.74 and 8,913.16 is: 13,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,208.34 : 52,812.74 = 8,913.16 : x
  2. Step 2: Convert to fraction form
    35,208.34/52,812.74 = 8,913.16/x
  3. Step 3: Cross multiply
    35,208.34x = 52,812.74 × 8,913.16
  4. Step 4: Simplify right side
    35,208.34x = 470,728,401.66
  5. Step 5: Solve for x
    x = 470,728,401.66/35,208.34
  6. Step 6: Final answer
    x = 13,369.80

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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.