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Finding the Fourth Proportional to 51,873.92, 77,818.08 and 16,802.24

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Solution

The fourth proportional to 51,873.92, 77,818.08 and 16,802.24 is: 25,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,873.92 : 77,818.08 = 16,802.24 : x
  2. Step 2: Convert to fraction form
    51,873.92/77,818.08 = 16,802.24/x
  3. Step 3: Cross multiply
    51,873.92x = 77,818.08 × 16,802.24
  4. Step 4: Simplify right side
    51,873.92x = 1,307,518,056.50
  5. Step 5: Solve for x
    x = 1,307,518,056.50/51,873.92
  6. Step 6: Final answer
    x = 25,205.69

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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.