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Finding the Fourth Proportional to 64,213.47, 88,609.77 and 35,913.69

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Solution

The fourth proportional to 64,213.47, 88,609.77 and 35,913.69 is: 49,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,213.47 : 88,609.77 = 35,913.69 : x
  2. Step 2: Convert to fraction form
    64,213.47/88,609.77 = 35,913.69/x
  3. Step 3: Cross multiply
    64,213.47x = 88,609.77 × 35,913.69
  4. Step 4: Simplify right side
    64,213.47x = 3,182,303,810.75
  5. Step 5: Solve for x
    x = 3,182,303,810.75/64,213.47
  6. Step 6: Final answer
    x = 49,558.20

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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.