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Finding the Fourth Proportional to 64,886.76, 89,543.54 and 36,592.24

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Solution

The fourth proportional to 64,886.76, 89,543.54 and 36,592.24 is: 50,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,886.76 : 89,543.54 = 36,592.24 : x
  2. Step 2: Convert to fraction form
    64,886.76/89,543.54 = 36,592.24/x
  3. Step 3: Cross multiply
    64,886.76x = 89,543.54 × 36,592.24
  4. Step 4: Simplify right side
    64,886.76x = 3,276,598,706.13
  5. Step 5: Solve for x
    x = 3,276,598,706.13/64,886.76
  6. Step 6: Final answer
    x = 50,497.18

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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.