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Finding the Fourth Proportional to 65,391.93, 98,186.28 and 37,343.64

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Solution

The fourth proportional to 65,391.93, 98,186.28 and 37,343.64 is: 56,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,391.93 : 98,186.28 = 37,343.64 : x
  2. Step 2: Convert to fraction form
    65,391.93/98,186.28 = 37,343.64/x
  3. Step 3: Cross multiply
    65,391.93x = 98,186.28 × 37,343.64
  4. Step 4: Simplify right side
    65,391.93x = 3,666,633,093.26
  5. Step 5: Solve for x
    x = 3,666,633,093.26/65,391.93
  6. Step 6: Final answer
    x = 56,071.65

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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.