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Finding the Fourth Proportional to 25,881.93, 35,719.11 and 14,554.22

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Solution

The fourth proportional to 25,881.93, 35,719.11 and 14,554.22 is: 20,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.93 : 35,719.11 = 14,554.22 : x
  2. Step 2: Convert to fraction form
    25,881.93/35,719.11 = 14,554.22/x
  3. Step 3: Cross multiply
    25,881.93x = 35,719.11 × 14,554.22
  4. Step 4: Simplify right side
    25,881.93x = 519,863,606.55
  5. Step 5: Solve for x
    x = 519,863,606.55/25,881.93
  6. Step 6: Final answer
    x = 20,085.97

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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.