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Finding the Fourth Proportional to 58,464.74, 87,657.85 and 30,018.94

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Solution

The fourth proportional to 58,464.74, 87,657.85 and 30,018.94 is: 45,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,464.74 : 87,657.85 = 30,018.94 : x
  2. Step 2: Convert to fraction form
    58,464.74/87,657.85 = 30,018.94/x
  3. Step 3: Cross multiply
    58,464.74x = 87,657.85 × 30,018.94
  4. Step 4: Simplify right side
    58,464.74x = 2,631,395,739.68
  5. Step 5: Solve for x
    x = 2,631,395,739.68/58,464.74
  6. Step 6: Final answer
    x = 45,008.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.