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Finding the Fourth Proportional to 46,652, 64,379.58 and 25,431.20

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Solution

The fourth proportional to 46,652, 64,379.58 and 25,431.20 is: 35,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,652 : 64,379.58 = 25,431.20 : x
  2. Step 2: Convert to fraction form
    46,652/64,379.58 = 25,431.20/x
  3. Step 3: Cross multiply
    46,652x = 64,379.58 × 25,431.20
  4. Step 4: Simplify right side
    46,652x = 1,637,249,974.90
  5. Step 5: Solve for x
    x = 1,637,249,974.90/46,652
  6. Step 6: Final answer
    x = 35,094.96

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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.