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Finding the Fourth Proportional to 93,395.72, 128,896.85 and 52,006.88

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Solution

The fourth proportional to 93,395.72, 128,896.85 and 52,006.88 is: 71,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,395.72 : 128,896.85 = 52,006.88 : x
  2. Step 2: Convert to fraction form
    93,395.72/128,896.85 = 52,006.88/x
  3. Step 3: Cross multiply
    93,395.72x = 128,896.85 × 52,006.88
  4. Step 4: Simplify right side
    93,395.72x = 6,703,522,750.29
  5. Step 5: Solve for x
    x = 6,703,522,750.29/93,395.72
  6. Step 6: Final answer
    x = 71,775.48

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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.