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Finding the Fourth Proportional to 93,057.51, 128,384.57 and 54,793.67

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Solution

The fourth proportional to 93,057.51, 128,384.57 and 54,793.67 is: 75,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,057.51 : 128,384.57 = 54,793.67 : x
  2. Step 2: Convert to fraction form
    93,057.51/128,384.57 = 54,793.67/x
  3. Step 3: Cross multiply
    93,057.51x = 128,384.57 × 54,793.67
  4. Step 4: Simplify right side
    93,057.51x = 7,034,661,102.63
  5. Step 5: Solve for x
    x = 7,034,661,102.63/93,057.51
  6. Step 6: Final answer
    x = 75,594.77

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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.