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Finding the Fourth Proportional to 35,874.03, 53,811.06 and 10,915.50

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Solution

The fourth proportional to 35,874.03, 53,811.06 and 10,915.50 is: 16,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,874.03 : 53,811.06 = 10,915.50 : x
  2. Step 2: Convert to fraction form
    35,874.03/53,811.06 = 10,915.50/x
  3. Step 3: Cross multiply
    35,874.03x = 53,811.06 × 10,915.50
  4. Step 4: Simplify right side
    35,874.03x = 587,374,625.43
  5. Step 5: Solve for x
    x = 587,374,625.43/35,874.03
  6. Step 6: Final answer
    x = 16,373.25

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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.