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Finding the Fourth Proportional to 46,777.59, 70,200 and 18,681.54

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Solution

The fourth proportional to 46,777.59, 70,200 and 18,681.54 is: 28,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,777.59 : 70,200 = 18,681.54 : x
  2. Step 2: Convert to fraction form
    46,777.59/70,200 = 18,681.54/x
  3. Step 3: Cross multiply
    46,777.59x = 70,200 × 18,681.54
  4. Step 4: Simplify right side
    46,777.59x = 1,311,444,108
  5. Step 5: Solve for x
    x = 1,311,444,108/46,777.59
  6. Step 6: Final answer
    x = 28,035.73

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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.