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Finding the Fourth Proportional to 84,957.48, 127,440.22 and 25,801.64

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Solution

The fourth proportional to 84,957.48, 127,440.22 and 25,801.64 is: 38,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,957.48 : 127,440.22 = 25,801.64 : x
  2. Step 2: Convert to fraction form
    84,957.48/127,440.22 = 25,801.64/x
  3. Step 3: Cross multiply
    84,957.48x = 127,440.22 × 25,801.64
  4. Step 4: Simplify right side
    84,957.48x = 3,288,166,677.96
  5. Step 5: Solve for x
    x = 3,288,166,677.96/84,957.48
  6. Step 6: Final answer
    x = 38,703.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.