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Finding the Fourth Proportional to 64,036.78, 88,369.10 and 35,358.56

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Solution

The fourth proportional to 64,036.78, 88,369.10 and 35,358.56 is: 48,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,036.78 : 88,369.10 = 35,358.56 : x
  2. Step 2: Convert to fraction form
    64,036.78/88,369.10 = 35,358.56/x
  3. Step 3: Cross multiply
    64,036.78x = 88,369.10 × 35,358.56
  4. Step 4: Simplify right side
    64,036.78x = 3,124,604,124.50
  5. Step 5: Solve for x
    x = 3,124,604,124.50/64,036.78
  6. Step 6: Final answer
    x = 48,793.90

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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.