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Finding the Fourth Proportional to 64,852.59, 89,497.95 and 36,558.28

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Solution

The fourth proportional to 64,852.59, 89,497.95 and 36,558.28 is: 50,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,852.59 : 89,497.95 = 36,558.28 : x
  2. Step 2: Convert to fraction form
    64,852.59/89,497.95 = 36,558.28/x
  3. Step 3: Cross multiply
    64,852.59x = 89,497.95 × 36,558.28
  4. Step 4: Simplify right side
    64,852.59x = 3,271,891,090.30
  5. Step 5: Solve for x
    x = 3,271,891,090.30/64,852.59
  6. Step 6: Final answer
    x = 50,451.20

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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.