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Finding the Fourth Proportional to 56,002.80, 84,004.20 and 37,340.40

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Solution

The fourth proportional to 56,002.80, 84,004.20 and 37,340.40 is: 56,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,002.80 : 84,004.20 = 37,340.40 : x
  2. Step 2: Convert to fraction form
    56,002.80/84,004.20 = 37,340.40/x
  3. Step 3: Cross multiply
    56,002.80x = 84,004.20 × 37,340.40
  4. Step 4: Simplify right side
    56,002.80x = 3,136,750,429.68
  5. Step 5: Solve for x
    x = 3,136,750,429.68/56,002.80
  6. Step 6: Final answer
    x = 56,010.60

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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.