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Finding the Fourth Proportional to 15,156.60, 22,744.59 and 7,361.16

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Solution

The fourth proportional to 15,156.60, 22,744.59 and 7,361.16 is: 11,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.60 : 22,744.59 = 7,361.16 : x
  2. Step 2: Convert to fraction form
    15,156.60/22,744.59 = 7,361.16/x
  3. Step 3: Cross multiply
    15,156.60x = 22,744.59 × 7,361.16
  4. Step 4: Simplify right side
    15,156.60x = 167,426,566.12
  5. Step 5: Solve for x
    x = 167,426,566.12/15,156.60
  6. Step 6: Final answer
    x = 11,046.45

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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.