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Finding the Fourth Proportional to 63,010.60, 94,515.90 and 40,703.20

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Solution

The fourth proportional to 63,010.60, 94,515.90 and 40,703.20 is: 61,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,010.60 : 94,515.90 = 40,703.20 : x
  2. Step 2: Convert to fraction form
    63,010.60/94,515.90 = 40,703.20/x
  3. Step 3: Cross multiply
    63,010.60x = 94,515.90 × 40,703.20
  4. Step 4: Simplify right side
    63,010.60x = 3,847,099,580.88
  5. Step 5: Solve for x
    x = 3,847,099,580.88/63,010.60
  6. Step 6: Final answer
    x = 61,054.80

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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.