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Finding the Fourth Proportional to 19,102.59, 26,361.59 and 10,719.09

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Solution

The fourth proportional to 19,102.59, 26,361.59 and 10,719.09 is: 14,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.59 : 26,361.59 = 10,719.09 : x
  2. Step 2: Convert to fraction form
    19,102.59/26,361.59 = 10,719.09/x
  3. Step 3: Cross multiply
    19,102.59x = 26,361.59 × 10,719.09
  4. Step 4: Simplify right side
    19,102.59x = 282,572,202.16
  5. Step 5: Solve for x
    x = 282,572,202.16/19,102.59
  6. Step 6: Final answer
    x = 14,792.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.