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Finding the Fourth Proportional to 65,548.74, 90,464.96 and 37,258.68

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Solution

The fourth proportional to 65,548.74, 90,464.96 and 37,258.68 is: 51,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,548.74 : 90,464.96 = 37,258.68 : x
  2. Step 2: Convert to fraction form
    65,548.74/90,464.96 = 37,258.68/x
  3. Step 3: Cross multiply
    65,548.74x = 90,464.96 × 37,258.68
  4. Step 4: Simplify right side
    65,548.74x = 3,370,604,995.85
  5. Step 5: Solve for x
    x = 3,370,604,995.85/65,548.74
  6. Step 6: Final answer
    x = 51,421.35

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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.