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Finding the Fourth Proportional to 30,681.93, 46,017.78 and 8,497.56

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Solution

The fourth proportional to 30,681.93, 46,017.78 and 8,497.56 is: 12,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681.93 : 46,017.78 = 8,497.56 : x
  2. Step 2: Convert to fraction form
    30,681.93/46,017.78 = 8,497.56/x
  3. Step 3: Cross multiply
    30,681.93x = 46,017.78 × 8,497.56
  4. Step 4: Simplify right side
    30,681.93x = 391,038,846.62
  5. Step 5: Solve for x
    x = 391,038,846.62/30,681.93
  6. Step 6: Final answer
    x = 12,744.92

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1.5x scale

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.