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Finding the Fourth Proportional to 27,861.60, 41,792.40 and 16,802.40

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Solution

The fourth proportional to 27,861.60, 41,792.40 and 16,802.40 is: 25,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.60 : 41,792.40 = 16,802.40 : x
  2. Step 2: Convert to fraction form
    27,861.60/41,792.40 = 16,802.40/x
  3. Step 3: Cross multiply
    27,861.60x = 41,792.40 × 16,802.40
  4. Step 4: Simplify right side
    27,861.60x = 702,212,621.76
  5. Step 5: Solve for x
    x = 702,212,621.76/27,861.60
  6. Step 6: Final answer
    x = 25,203.60

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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.