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Finding the Fourth Proportional to 65,322.88, 97,929.44 and 30,287.68

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Solution

The fourth proportional to 65,322.88, 97,929.44 and 30,287.68 is: 45,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,322.88 : 97,929.44 = 30,287.68 : x
  2. Step 2: Convert to fraction form
    65,322.88/97,929.44 = 30,287.68/x
  3. Step 3: Cross multiply
    65,322.88x = 97,929.44 × 30,287.68
  4. Step 4: Simplify right side
    65,322.88x = 2,966,055,541.30
  5. Step 5: Solve for x
    x = 2,966,055,541.30/65,322.88
  6. Step 6: Final answer
    x = 45,406.07

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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.