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Finding the Fourth Proportional to 30,672.60, 46,008.90 and 26,784.60

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Solution

The fourth proportional to 30,672.60, 46,008.90 and 26,784.60 is: 40,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.60 : 46,008.90 = 26,784.60 : x
  2. Step 2: Convert to fraction form
    30,672.60/46,008.90 = 26,784.60/x
  3. Step 3: Cross multiply
    30,672.60x = 46,008.90 × 26,784.60
  4. Step 4: Simplify right side
    30,672.60x = 1,232,329,982.94
  5. Step 5: Solve for x
    x = 1,232,329,982.94/30,672.60
  6. Step 6: Final answer
    x = 40,176.90

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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.