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Finding the Fourth Proportional to 46,530, 64,210.56 and 25,308.96

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Solution

The fourth proportional to 46,530, 64,210.56 and 25,308.96 is: 34,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,530 : 64,210.56 = 25,308.96 : x
  2. Step 2: Convert to fraction form
    46,530/64,210.56 = 25,308.96/x
  3. Step 3: Cross multiply
    46,530x = 64,210.56 × 25,308.96
  4. Step 4: Simplify right side
    46,530x = 1,625,102,494.62
  5. Step 5: Solve for x
    x = 1,625,102,494.62/46,530
  6. Step 6: Final answer
    x = 34,925.91

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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.