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Finding the Fourth Proportional to 48,345.54, 66,722.40 and 46,795.50

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Solution

The fourth proportional to 48,345.54, 66,722.40 and 46,795.50 is: 64,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,345.54 : 66,722.40 = 46,795.50 : x
  2. Step 2: Convert to fraction form
    48,345.54/66,722.40 = 46,795.50/x
  3. Step 3: Cross multiply
    48,345.54x = 66,722.40 × 46,795.50
  4. Step 4: Simplify right side
    48,345.54x = 3,122,308,069.20
  5. Step 5: Solve for x
    x = 3,122,308,069.20/48,345.54
  6. Step 6: Final answer
    x = 64,583.17

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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.