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Finding the Fourth Proportional to 64,068.16, 88,403.52 and 35,769.28

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Solution

The fourth proportional to 64,068.16, 88,403.52 and 35,769.28 is: 49,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,068.16 : 88,403.52 = 35,769.28 : x
  2. Step 2: Convert to fraction form
    64,068.16/88,403.52 = 35,769.28/x
  3. Step 3: Cross multiply
    64,068.16x = 88,403.52 × 35,769.28
  4. Step 4: Simplify right side
    64,068.16x = 3,162,130,259.87
  5. Step 5: Solve for x
    x = 3,162,130,259.87/64,068.16
  6. Step 6: Final answer
    x = 49,355.72

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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.