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Finding the Fourth Proportional to 65,391.12, 98,000.28 and 23,798.16

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Solution

The fourth proportional to 65,391.12, 98,000.28 and 23,798.16 is: 35,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,391.12 : 98,000.28 = 23,798.16 : x
  2. Step 2: Convert to fraction form
    65,391.12/98,000.28 = 23,798.16/x
  3. Step 3: Cross multiply
    65,391.12x = 98,000.28 × 23,798.16
  4. Step 4: Simplify right side
    65,391.12x = 2,332,226,343.48
  5. Step 5: Solve for x
    x = 2,332,226,343.48/65,391.12
  6. Step 6: Final answer
    x = 35,665.80

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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.