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Finding the Fourth Proportional to 43,335, 65,026.80 and 43,004.52

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Solution

The fourth proportional to 43,335, 65,026.80 and 43,004.52 is: 64,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,335 : 65,026.80 = 43,004.52 : x
  2. Step 2: Convert to fraction form
    43,335/65,026.80 = 43,004.52/x
  3. Step 3: Cross multiply
    43,335x = 65,026.80 × 43,004.52
  4. Step 4: Simplify right side
    43,335x = 2,796,446,321.14
  5. Step 5: Solve for x
    x = 2,796,446,321.14/43,335
  6. Step 6: Final answer
    x = 64,530.89

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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.