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Finding the Fourth Proportional to 69,657.77, 96,068.53 and 46,993.16

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Solution

The fourth proportional to 69,657.77, 96,068.53 and 46,993.16 is: 64,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,657.77 : 96,068.53 = 46,993.16 : x
  2. Step 2: Convert to fraction form
    69,657.77/96,068.53 = 46,993.16/x
  3. Step 3: Cross multiply
    69,657.77x = 96,068.53 × 46,993.16
  4. Step 4: Simplify right side
    69,657.77x = 4,514,564,100.17
  5. Step 5: Solve for x
    x = 4,514,564,100.17/69,657.77
  6. Step 6: Final answer
    x = 64,810.63

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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.