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Finding the Fourth Proportional to 56,138.34, 77,468.94 and 33,465.63

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Solution

The fourth proportional to 56,138.34, 77,468.94 and 33,465.63 is: 46,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138.34 : 77,468.94 = 33,465.63 : x
  2. Step 2: Convert to fraction form
    56,138.34/77,468.94 = 33,465.63/x
  3. Step 3: Cross multiply
    56,138.34x = 77,468.94 × 33,465.63
  4. Step 4: Simplify right side
    56,138.34x = 2,592,546,882.53
  5. Step 5: Solve for x
    x = 2,592,546,882.53/56,138.34
  6. Step 6: Final answer
    x = 46,181.40

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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.