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Finding the Fourth Proportional to 65,555.91, 98,308.89 and 23,428.22

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Solution

The fourth proportional to 65,555.91, 98,308.89 and 23,428.22 is: 35,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.91 : 98,308.89 = 23,428.22 : x
  2. Step 2: Convert to fraction form
    65,555.91/98,308.89 = 23,428.22/x
  3. Step 3: Cross multiply
    65,555.91x = 98,308.89 × 23,428.22
  4. Step 4: Simplify right side
    65,555.91x = 2,303,201,811.33
  5. Step 5: Solve for x
    x = 2,303,201,811.33/65,555.91
  6. Step 6: Final answer
    x = 35,133.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.