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Finding the Fourth Proportional to 65,845.04, 90,866.88 and 37,552.40

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Solution

The fourth proportional to 65,845.04, 90,866.88 and 37,552.40 is: 51,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,845.04 : 90,866.88 = 37,552.40 : x
  2. Step 2: Convert to fraction form
    65,845.04/90,866.88 = 37,552.40/x
  3. Step 3: Cross multiply
    65,845.04x = 90,866.88 × 37,552.40
  4. Step 4: Simplify right side
    65,845.04x = 3,412,269,424.51
  5. Step 5: Solve for x
    x = 3,412,269,424.51/65,845.04
  6. Step 6: Final answer
    x = 51,822.73

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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.