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Finding the Fourth Proportional to 65,955.16, 91,018.48 and 35,740.52

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Solution

The fourth proportional to 65,955.16, 91,018.48 and 35,740.52 is: 49,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,955.16 : 91,018.48 = 35,740.52 : x
  2. Step 2: Convert to fraction form
    65,955.16/91,018.48 = 35,740.52/x
  3. Step 3: Cross multiply
    65,955.16x = 91,018.48 × 35,740.52
  4. Step 4: Simplify right side
    65,955.16x = 3,253,047,804.81
  5. Step 5: Solve for x
    x = 3,253,047,804.81/65,955.16
  6. Step 6: Final answer
    x = 49,322.11

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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.