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Finding the Fourth Proportional to 64,039.86, 88,368.64 and 35,357.66

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Solution

The fourth proportional to 64,039.86, 88,368.64 and 35,357.66 is: 48,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,039.86 : 88,368.64 = 35,357.66 : x
  2. Step 2: Convert to fraction form
    64,039.86/88,368.64 = 35,357.66/x
  3. Step 3: Cross multiply
    64,039.86x = 88,368.64 × 35,357.66
  4. Step 4: Simplify right side
    64,039.86x = 3,124,508,327.78
  5. Step 5: Solve for x
    x = 3,124,508,327.78/64,039.86
  6. Step 6: Final answer
    x = 48,790.06

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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.