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Finding the Fourth Proportional to 65,054.68, 89,775.48 and 35,246.68

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Solution

The fourth proportional to 65,054.68, 89,775.48 and 35,246.68 is: 48,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,054.68 : 89,775.48 = 35,246.68 : x
  2. Step 2: Convert to fraction form
    65,054.68/89,775.48 = 35,246.68/x
  3. Step 3: Cross multiply
    65,054.68x = 89,775.48 × 35,246.68
  4. Step 4: Simplify right side
    65,054.68x = 3,164,287,615.41
  5. Step 5: Solve for x
    x = 3,164,287,615.41/65,054.68
  6. Step 6: Final answer
    x = 48,640.43

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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.