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Finding the Fourth Proportional to 27,668,838.40, 41,503,257.60 and 27,243,685.60

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Solution

The fourth proportional to 27,668,838.40, 41,503,257.60 and 27,243,685.60 is: 40,865,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,668,838.40 : 41,503,257.60 = 27,243,685.60 : x
  2. Step 2: Convert to fraction form
    27,668,838.40/41,503,257.60 = 27,243,685.60/x
  3. Step 3: Cross multiply
    27,668,838.40x = 41,503,257.60 × 27,243,685.60
  4. Step 4: Simplify right side
    27,668,838.40x = 1,130,701,701,430,210.75
  5. Step 5: Solve for x
    x = 1,130,701,701,430,210.75/27,668,838.40
  6. Step 6: Final answer
    x = 40,865,528.40

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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.