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Finding the Fourth Proportional to 25,522.16, 38,254.87 and 19,261.87

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Solution

The fourth proportional to 25,522.16, 38,254.87 and 19,261.87 is: 28,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,522.16 : 38,254.87 = 19,261.87 : x
  2. Step 2: Convert to fraction form
    25,522.16/38,254.87 = 19,261.87/x
  3. Step 3: Cross multiply
    25,522.16x = 38,254.87 × 19,261.87
  4. Step 4: Simplify right side
    25,522.16x = 736,860,152.90
  5. Step 5: Solve for x
    x = 736,860,152.90/25,522.16
  6. Step 6: Final answer
    x = 28,871.39

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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.