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Finding the Fourth Proportional to 64,234.56, 88,646.16 and 35,939.64

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Solution

The fourth proportional to 64,234.56, 88,646.16 and 35,939.64 is: 49,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,234.56 : 88,646.16 = 35,939.64 : x
  2. Step 2: Convert to fraction form
    64,234.56/88,646.16 = 35,939.64/x
  3. Step 3: Cross multiply
    64,234.56x = 88,646.16 × 35,939.64
  4. Step 4: Simplify right side
    64,234.56x = 3,185,911,077.78
  5. Step 5: Solve for x
    x = 3,185,911,077.78/64,234.56
  6. Step 6: Final answer
    x = 49,598.08

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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.