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Finding the Fourth Proportional to 16,705.55, 25,058.93 and 5,612.60

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Solution

The fourth proportional to 16,705.55, 25,058.93 and 5,612.60 is: 8,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.55 : 25,058.93 = 5,612.60 : x
  2. Step 2: Convert to fraction form
    16,705.55/25,058.93 = 5,612.60/x
  3. Step 3: Cross multiply
    16,705.55x = 25,058.93 × 5,612.60
  4. Step 4: Simplify right side
    16,705.55x = 140,645,597.16
  5. Step 5: Solve for x
    x = 140,645,597.16/16,705.55
  6. Step 6: Final answer
    x = 8,419.10

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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.