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Finding the Fourth Proportional to 58,266.30, 87,401.28 and 18,823.77

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Solution

The fourth proportional to 58,266.30, 87,401.28 and 18,823.77 is: 28,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,266.30 : 87,401.28 = 18,823.77 : x
  2. Step 2: Convert to fraction form
    58,266.30/87,401.28 = 18,823.77/x
  3. Step 3: Cross multiply
    58,266.30x = 87,401.28 × 18,823.77
  4. Step 4: Simplify right side
    58,266.30x = 1,645,221,592.43
  5. Step 5: Solve for x
    x = 1,645,221,592.43/58,266.30
  6. Step 6: Final answer
    x = 28,236.25

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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.