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Finding the Fourth Proportional to 44,661,657.60, 66,992,486.40 and 21,986,841.60

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Solution

The fourth proportional to 44,661,657.60, 66,992,486.40 and 21,986,841.60 is: 32,980,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,661,657.60 : 66,992,486.40 = 21,986,841.60 : x
  2. Step 2: Convert to fraction form
    44,661,657.60/66,992,486.40 = 21,986,841.60/x
  3. Step 3: Cross multiply
    44,661,657.60x = 66,992,486.40 × 21,986,841.60
  4. Step 4: Simplify right side
    44,661,657.60x = 1,472,953,186,866,954.25
  5. Step 5: Solve for x
    x = 1,472,953,186,866,954.25/44,661,657.60
  6. Step 6: Final answer
    x = 32,980,262.40

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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.