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Finding the Fourth Proportional to 55,930.66, 77,184.66 and 30,437.22

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Solution

The fourth proportional to 55,930.66, 77,184.66 and 30,437.22 is: 42,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930.66 : 77,184.66 = 30,437.22 : x
  2. Step 2: Convert to fraction form
    55,930.66/77,184.66 = 30,437.22/x
  3. Step 3: Cross multiply
    55,930.66x = 77,184.66 × 30,437.22
  4. Step 4: Simplify right side
    55,930.66x = 2,349,286,477.05
  5. Step 5: Solve for x
    x = 2,349,286,477.05/55,930.66
  6. Step 6: Final answer
    x = 42,003.55

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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.