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Finding the Fourth Proportional to 64,432.40, 96,533.40 and 55,216.40

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Solution

The fourth proportional to 64,432.40, 96,533.40 and 55,216.40 is: 82,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,432.40 : 96,533.40 = 55,216.40 : x
  2. Step 2: Convert to fraction form
    64,432.40/96,533.40 = 55,216.40/x
  3. Step 3: Cross multiply
    64,432.40x = 96,533.40 × 55,216.40
  4. Step 4: Simplify right side
    64,432.40x = 5,330,226,827.76
  5. Step 5: Solve for x
    x = 5,330,226,827.76/64,432.40
  6. Step 6: Final answer
    x = 82,725.88

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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.