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Finding the Fourth Proportional to 40,022.40, 60,104.64 and 37,980.48

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Solution

The fourth proportional to 40,022.40, 60,104.64 and 37,980.48 is: 57,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022.40 : 60,104.64 = 37,980.48 : x
  2. Step 2: Convert to fraction form
    40,022.40/60,104.64 = 37,980.48/x
  3. Step 3: Cross multiply
    40,022.40x = 60,104.64 × 37,980.48
  4. Step 4: Simplify right side
    40,022.40x = 2,282,803,077.43
  5. Step 5: Solve for x
    x = 2,282,803,077.43/40,022.40
  6. Step 6: Final answer
    x = 57,038.14

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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.