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Finding the Fourth Proportional to 46,940, 64,777.22 and 25,720.08

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Solution

The fourth proportional to 46,940, 64,777.22 and 25,720.08 is: 35,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,940 : 64,777.22 = 25,720.08 : x
  2. Step 2: Convert to fraction form
    46,940/64,777.22 = 25,720.08/x
  3. Step 3: Cross multiply
    46,940x = 64,777.22 × 25,720.08
  4. Step 4: Simplify right side
    46,940x = 1,666,075,280.58
  5. Step 5: Solve for x
    x = 1,666,075,280.58/46,940
  6. Step 6: Final answer
    x = 35,493.72

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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.