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Finding the Fourth Proportional to 37,300.57, 51,477.12 and 20,533.57

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Solution

The fourth proportional to 37,300.57, 51,477.12 and 20,533.57 is: 28,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,300.57 : 51,477.12 = 20,533.57 : x
  2. Step 2: Convert to fraction form
    37,300.57/51,477.12 = 20,533.57/x
  3. Step 3: Cross multiply
    37,300.57x = 51,477.12 × 20,533.57
  4. Step 4: Simplify right side
    37,300.57x = 1,057,008,686.86
  5. Step 5: Solve for x
    x = 1,057,008,686.86/37,300.57
  6. Step 6: Final answer
    x = 28,337.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.