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Finding the Fourth Proportional to 64,592.28, 89,220.02 and 49,392.63

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Solution

The fourth proportional to 64,592.28, 89,220.02 and 49,392.63 is: 68,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,592.28 : 89,220.02 = 49,392.63 : x
  2. Step 2: Convert to fraction form
    64,592.28/89,220.02 = 49,392.63/x
  3. Step 3: Cross multiply
    64,592.28x = 89,220.02 × 49,392.63
  4. Step 4: Simplify right side
    64,592.28x = 4,406,811,189.49
  5. Step 5: Solve for x
    x = 4,406,811,189.49/64,592.28
  6. Step 6: Final answer
    x = 68,225.04

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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.