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Finding the Fourth Proportional to 58,304.57, 87,459.57 and 18,864.77

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Solution

The fourth proportional to 58,304.57, 87,459.57 and 18,864.77 is: 28,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,304.57 : 87,459.57 = 18,864.77 : x
  2. Step 2: Convert to fraction form
    58,304.57/87,459.57 = 18,864.77/x
  3. Step 3: Cross multiply
    58,304.57x = 87,459.57 × 18,864.77
  4. Step 4: Simplify right side
    58,304.57x = 1,649,904,235.05
  5. Step 5: Solve for x
    x = 1,649,904,235.05/58,304.57
  6. Step 6: Final answer
    x = 28,298.03

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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.