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Finding the Fourth Proportional to 63,085.32, 87,054.80 and 36,208.92

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Solution

The fourth proportional to 63,085.32, 87,054.80 and 36,208.92 is: 49,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,085.32 : 87,054.80 = 36,208.92 : x
  2. Step 2: Convert to fraction form
    63,085.32/87,054.80 = 36,208.92/x
  3. Step 3: Cross multiply
    63,085.32x = 87,054.80 × 36,208.92
  4. Step 4: Simplify right side
    63,085.32x = 3,152,160,288.82
  5. Step 5: Solve for x
    x = 3,152,160,288.82/63,085.32
  6. Step 6: Final answer
    x = 49,966.62

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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.