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Finding the Fourth Proportional to 103,637.60, 155,452.62 and 33,515

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Solution

The fourth proportional to 103,637.60, 155,452.62 and 33,515 is: 50,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.60 : 155,452.62 = 33,515 : x
  2. Step 2: Convert to fraction form
    103,637.60/155,452.62 = 33,515/x
  3. Step 3: Cross multiply
    103,637.60x = 155,452.62 × 33,515
  4. Step 4: Simplify right side
    103,637.60x = 5,209,994,559.30
  5. Step 5: Solve for x
    x = 5,209,994,559.30/103,637.60
  6. Step 6: Final answer
    x = 50,271.28

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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.