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Finding the Fourth Proportional to 43,315.93, 64,973.91 and 10,483.93

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Solution

The fourth proportional to 43,315.93, 64,973.91 and 10,483.93 is: 15,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.93 : 64,973.91 = 10,483.93 : x
  2. Step 2: Convert to fraction form
    43,315.93/64,973.91 = 10,483.93/x
  3. Step 3: Cross multiply
    43,315.93x = 64,973.91 × 10,483.93
  4. Step 4: Simplify right side
    43,315.93x = 681,181,924.27
  5. Step 5: Solve for x
    x = 681,181,924.27/43,315.93
  6. Step 6: Final answer
    x = 15,725.90

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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.