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Finding the Fourth Proportional to 53,320.40, 79,865.40 and 44,104.40

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Solution

The fourth proportional to 53,320.40, 79,865.40 and 44,104.40 is: 66,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,320.40 : 79,865.40 = 44,104.40 : x
  2. Step 2: Convert to fraction form
    53,320.40/79,865.40 = 44,104.40/x
  3. Step 3: Cross multiply
    53,320.40x = 79,865.40 × 44,104.40
  4. Step 4: Simplify right side
    53,320.40x = 3,522,415,547.76
  5. Step 5: Solve for x
    x = 3,522,415,547.76/53,320.40
  6. Step 6: Final answer
    x = 66,061.31

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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.