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Finding the Fourth Proportional to 56,657.60, 84,986.40 and 37,995.20

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Solution

The fourth proportional to 56,657.60, 84,986.40 and 37,995.20 is: 56,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657.60 : 84,986.40 = 37,995.20 : x
  2. Step 2: Convert to fraction form
    56,657.60/84,986.40 = 37,995.20/x
  3. Step 3: Cross multiply
    56,657.60x = 84,986.40 × 37,995.20
  4. Step 4: Simplify right side
    56,657.60x = 3,229,075,265.28
  5. Step 5: Solve for x
    x = 3,229,075,265.28/56,657.60
  6. Step 6: Final answer
    x = 56,992.80

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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.