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Finding the Fourth Proportional to 63,255.60, 94,888.80 and 21,702.60

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Solution

The fourth proportional to 63,255.60, 94,888.80 and 21,702.60 is: 32,555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,255.60 : 94,888.80 = 21,702.60 : x
  2. Step 2: Convert to fraction form
    63,255.60/94,888.80 = 21,702.60/x
  3. Step 3: Cross multiply
    63,255.60x = 94,888.80 × 21,702.60
  4. Step 4: Simplify right side
    63,255.60x = 2,059,333,670.88
  5. Step 5: Solve for x
    x = 2,059,333,670.88/63,255.60
  6. Step 6: Final answer
    x = 32,555.75

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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.