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Finding the Fourth Proportional to 55,995.61, 77,272.61 and 32,120.76

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Solution

The fourth proportional to 55,995.61, 77,272.61 and 32,120.76 is: 44,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,995.61 : 77,272.61 = 32,120.76 : x
  2. Step 2: Convert to fraction form
    55,995.61/77,272.61 = 32,120.76/x
  3. Step 3: Cross multiply
    55,995.61x = 77,272.61 × 32,120.76
  4. Step 4: Simplify right side
    55,995.61x = 2,482,054,960.38
  5. Step 5: Solve for x
    x = 2,482,054,960.38/55,995.61
  6. Step 6: Final answer
    x = 44,325.88

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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.