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Finding the Fourth Proportional to 93,284.09, 128,732.09 and 52,997.92

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Solution

The fourth proportional to 93,284.09, 128,732.09 and 52,997.92 is: 73,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,284.09 : 128,732.09 = 52,997.92 : x
  2. Step 2: Convert to fraction form
    93,284.09/128,732.09 = 52,997.92/x
  3. Step 3: Cross multiply
    93,284.09x = 128,732.09 × 52,997.92
  4. Step 4: Simplify right side
    93,284.09x = 6,822,532,420.43
  5. Step 5: Solve for x
    x = 6,822,532,420.43/93,284.09
  6. Step 6: Final answer
    x = 73,137.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.