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Finding the Fourth Proportional to 56,235.82, 77,603.04 and 30,741.72

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Solution

The fourth proportional to 56,235.82, 77,603.04 and 30,741.72 is: 42,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,235.82 : 77,603.04 = 30,741.72 : x
  2. Step 2: Convert to fraction form
    56,235.82/77,603.04 = 30,741.72/x
  3. Step 3: Cross multiply
    56,235.82x = 77,603.04 × 30,741.72
  4. Step 4: Simplify right side
    56,235.82x = 2,385,650,926.83
  5. Step 5: Solve for x
    x = 2,385,650,926.83/56,235.82
  6. Step 6: Final answer
    x = 42,422.27

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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.