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Finding the Fourth Proportional to 63,219.84, 94,841.28 and 21,657.60

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Solution

The fourth proportional to 63,219.84, 94,841.28 and 21,657.60 is: 32,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,219.84 : 94,841.28 = 21,657.60 : x
  2. Step 2: Convert to fraction form
    63,219.84/94,841.28 = 21,657.60/x
  3. Step 3: Cross multiply
    63,219.84x = 94,841.28 × 21,657.60
  4. Step 4: Simplify right side
    63,219.84x = 2,054,034,505.73
  5. Step 5: Solve for x
    x = 2,054,034,505.73/63,219.84
  6. Step 6: Final answer
    x = 32,490.35

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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.