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Finding the Fourth Proportional to 64,195.32, 88,601.80 and 43,011.52

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Solution

The fourth proportional to 64,195.32, 88,601.80 and 43,011.52 is: 59,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,195.32 : 88,601.80 = 43,011.52 : x
  2. Step 2: Convert to fraction form
    64,195.32/88,601.80 = 43,011.52/x
  3. Step 3: Cross multiply
    64,195.32x = 88,601.80 × 43,011.52
  4. Step 4: Simplify right side
    64,195.32x = 3,810,898,092.74
  5. Step 5: Solve for x
    x = 3,810,898,092.74/64,195.32
  6. Step 6: Final answer
    x = 59,364.11

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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.