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Finding the Fourth Proportional to 65,425.58, 90,291.95 and 37,133.09

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Solution

The fourth proportional to 65,425.58, 90,291.95 and 37,133.09 is: 51,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,425.58 : 90,291.95 = 37,133.09 : x
  2. Step 2: Convert to fraction form
    65,425.58/90,291.95 = 37,133.09/x
  3. Step 3: Cross multiply
    65,425.58x = 90,291.95 × 37,133.09
  4. Step 4: Simplify right side
    65,425.58x = 3,352,818,468.50
  5. Step 5: Solve for x
    x = 3,352,818,468.50/65,425.58
  6. Step 6: Final answer
    x = 51,246.30

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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.