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Finding the Fourth Proportional to 55,891.68, 77,162.40 and 37,054.32

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Solution

The fourth proportional to 55,891.68, 77,162.40 and 37,054.32 is: 51,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,891.68 : 77,162.40 = 37,054.32 : x
  2. Step 2: Convert to fraction form
    55,891.68/77,162.40 = 37,054.32/x
  3. Step 3: Cross multiply
    55,891.68x = 77,162.40 × 37,054.32
  4. Step 4: Simplify right side
    55,891.68x = 2,859,200,261.57
  5. Step 5: Solve for x
    x = 2,859,200,261.57/55,891.68
  6. Step 6: Final answer
    x = 51,156.10

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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.