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Finding the Fourth Proportional to 64,101.42, 88,455.78 and 35,420.94

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Solution

The fourth proportional to 64,101.42, 88,455.78 and 35,420.94 is: 48,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,101.42 : 88,455.78 = 35,420.94 : x
  2. Step 2: Convert to fraction form
    64,101.42/88,455.78 = 35,420.94/x
  3. Step 3: Cross multiply
    64,101.42x = 88,455.78 × 35,420.94
  4. Step 4: Simplify right side
    64,101.42x = 3,133,186,876.03
  5. Step 5: Solve for x
    x = 3,133,186,876.03/64,101.42
  6. Step 6: Final answer
    x = 48,878.59

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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.