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Finding the Fourth Proportional to 65,802.07, 90,880.63 and 44,544.43

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Solution

The fourth proportional to 65,802.07, 90,880.63 and 44,544.43 is: 61,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,802.07 : 90,880.63 = 44,544.43 : x
  2. Step 2: Convert to fraction form
    65,802.07/90,880.63 = 44,544.43/x
  3. Step 3: Cross multiply
    65,802.07x = 90,880.63 × 44,544.43
  4. Step 4: Simplify right side
    65,802.07x = 4,048,226,114.19
  5. Step 5: Solve for x
    x = 4,048,226,114.19/65,802.07
  6. Step 6: Final answer
    x = 61,521.26

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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.