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Finding the Fourth Proportional to 48,696.90, 73,045.35 and 46,752.90

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Solution

The fourth proportional to 48,696.90, 73,045.35 and 46,752.90 is: 70,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,696.90 : 73,045.35 = 46,752.90 : x
  2. Step 2: Convert to fraction form
    48,696.90/73,045.35 = 46,752.90/x
  3. Step 3: Cross multiply
    48,696.90x = 73,045.35 × 46,752.90
  4. Step 4: Simplify right side
    48,696.90x = 3,415,081,944.02
  5. Step 5: Solve for x
    x = 3,415,081,944.02/48,696.90
  6. Step 6: Final answer
    x = 70,129.35

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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.