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Finding the Fourth Proportional to 65,762.98, 90,755.01 and 37,470.49

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Solution

The fourth proportional to 65,762.98, 90,755.01 and 37,470.49 is: 51,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,762.98 : 90,755.01 = 37,470.49 : x
  2. Step 2: Convert to fraction form
    65,762.98/90,755.01 = 37,470.49/x
  3. Step 3: Cross multiply
    65,762.98x = 90,755.01 × 37,470.49
  4. Step 4: Simplify right side
    65,762.98x = 3,400,634,467.77
  5. Step 5: Solve for x
    x = 3,400,634,467.77/65,762.98
  6. Step 6: Final answer
    x = 51,710.47

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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.