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Finding the Fourth Proportional to 93,032.92, 128,381.54 and 52,749.41

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Solution

The fourth proportional to 93,032.92, 128,381.54 and 52,749.41 is: 72,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,032.92 : 128,381.54 = 52,749.41 : x
  2. Step 2: Convert to fraction form
    93,032.92/128,381.54 = 52,749.41/x
  3. Step 3: Cross multiply
    93,032.92x = 128,381.54 × 52,749.41
  4. Step 4: Simplify right side
    93,032.92x = 6,772,049,847.98
  5. Step 5: Solve for x
    x = 6,772,049,847.98/93,032.92
  6. Step 6: Final answer
    x = 72,791.98

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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.