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Finding the Fourth Proportional to 64,340.46, 88,802.46 and 38,851.02

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Solution

The fourth proportional to 64,340.46, 88,802.46 and 38,851.02 is: 53,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,340.46 : 88,802.46 = 38,851.02 : x
  2. Step 2: Convert to fraction form
    64,340.46/88,802.46 = 38,851.02/x
  3. Step 3: Cross multiply
    64,340.46x = 88,802.46 × 38,851.02
  4. Step 4: Simplify right side
    64,340.46x = 3,450,066,149.51
  5. Step 5: Solve for x
    x = 3,450,066,149.51/64,340.46
  6. Step 6: Final answer
    x = 53,622.03

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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.