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Finding the Fourth Proportional to 30,596.60, 45,895.31 and 11,877.71

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Solution

The fourth proportional to 30,596.60, 45,895.31 and 11,877.71 is: 17,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,596.60 : 45,895.31 = 11,877.71 : x
  2. Step 2: Convert to fraction form
    30,596.60/45,895.31 = 11,877.71/x
  3. Step 3: Cross multiply
    30,596.60x = 45,895.31 × 11,877.71
  4. Step 4: Simplify right side
    30,596.60x = 545,130,938.22
  5. Step 5: Solve for x
    x = 545,130,938.22/30,596.60
  6. Step 6: Final answer
    x = 17,816.71

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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.