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Finding the Fourth Proportional to 36,566.40, 54,907.20 and 21,014.40

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Solution

The fourth proportional to 36,566.40, 54,907.20 and 21,014.40 is: 31,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,566.40 : 54,907.20 = 21,014.40 : x
  2. Step 2: Convert to fraction form
    36,566.40/54,907.20 = 21,014.40/x
  3. Step 3: Cross multiply
    36,566.40x = 54,907.20 × 21,014.40
  4. Step 4: Simplify right side
    36,566.40x = 1,153,841,863.68
  5. Step 5: Solve for x
    x = 1,153,841,863.68/36,566.40
  6. Step 6: Final answer
    x = 31,554.70

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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.