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Finding the Fourth Proportional to 63,220.59, 94,830.88 and 18,878.48

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Solution

The fourth proportional to 63,220.59, 94,830.88 and 18,878.48 is: 28,317.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,220.59 : 94,830.88 = 18,878.48 : x
  2. Step 2: Convert to fraction form
    63,220.59/94,830.88 = 18,878.48/x
  3. Step 3: Cross multiply
    63,220.59x = 94,830.88 × 18,878.48
  4. Step 4: Simplify right side
    63,220.59x = 1,790,262,777.07
  5. Step 5: Solve for x
    x = 1,790,262,777.07/63,220.59
  6. Step 6: Final answer
    x = 28,317.72

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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.