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Finding the Fourth Proportional to 54,404.44, 74,944.13 and 46,312.20

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Solution

The fourth proportional to 54,404.44, 74,944.13 and 46,312.20 is: 63,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404.44 : 74,944.13 = 46,312.20 : x
  2. Step 2: Convert to fraction form
    54,404.44/74,944.13 = 46,312.20/x
  3. Step 3: Cross multiply
    54,404.44x = 74,944.13 × 46,312.20
  4. Step 4: Simplify right side
    54,404.44x = 3,470,827,864.74
  5. Step 5: Solve for x
    x = 3,470,827,864.74/54,404.44
  6. Step 6: Final answer
    x = 63,796.77

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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.