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Finding the Fourth Proportional to 58,411.94, 87,617.92 and 18,434.98

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Solution

The fourth proportional to 58,411.94, 87,617.92 and 18,434.98 is: 27,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,411.94 : 87,617.92 = 18,434.98 : x
  2. Step 2: Convert to fraction form
    58,411.94/87,617.92 = 18,434.98/x
  3. Step 3: Cross multiply
    58,411.94x = 87,617.92 × 18,434.98
  4. Step 4: Simplify right side
    58,411.94x = 1,615,234,072.58
  5. Step 5: Solve for x
    x = 1,615,234,072.58/58,411.94
  6. Step 6: Final answer
    x = 27,652.46

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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.