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Finding the Fourth Proportional to 64,901.20, 97,284.60 and 35,256.40

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Solution

The fourth proportional to 64,901.20, 97,284.60 and 35,256.40 is: 52,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.20 : 97,284.60 = 35,256.40 : x
  2. Step 2: Convert to fraction form
    64,901.20/97,284.60 = 35,256.40/x
  3. Step 3: Cross multiply
    64,901.20x = 97,284.60 × 35,256.40
  4. Step 4: Simplify right side
    64,901.20x = 3,429,904,771.44
  5. Step 5: Solve for x
    x = 3,429,904,771.44/64,901.20
  6. Step 6: Final answer
    x = 52,848.09

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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.