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Finding the Fourth Proportional to 93,036.59, 128,387.49 and 52,753.94

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Solution

The fourth proportional to 93,036.59, 128,387.49 and 52,753.94 is: 72,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,036.59 : 128,387.49 = 52,753.94 : x
  2. Step 2: Convert to fraction form
    93,036.59/128,387.49 = 52,753.94/x
  3. Step 3: Cross multiply
    93,036.59x = 128,387.49 × 52,753.94
  4. Step 4: Simplify right side
    93,036.59x = 6,772,945,944.21
  5. Step 5: Solve for x
    x = 6,772,945,944.21/93,036.59
  6. Step 6: Final answer
    x = 72,798.73

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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.