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Finding the Fourth Proportional to 53,322.40, 79,868.40 and 44,106.40

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Solution

The fourth proportional to 53,322.40, 79,868.40 and 44,106.40 is: 66,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.40 : 79,868.40 = 44,106.40 : x
  2. Step 2: Convert to fraction form
    53,322.40/79,868.40 = 44,106.40/x
  3. Step 3: Cross multiply
    53,322.40x = 79,868.40 × 44,106.40
  4. Step 4: Simplify right side
    53,322.40x = 3,522,707,597.76
  5. Step 5: Solve for x
    x = 3,522,707,597.76/53,322.40
  6. Step 6: Final answer
    x = 66,064.31

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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.