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Finding the Fourth Proportional to 58,222.60, 87,276.30 and 28,616.20

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Solution

The fourth proportional to 58,222.60, 87,276.30 and 28,616.20 is: 42,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,222.60 : 87,276.30 = 28,616.20 : x
  2. Step 2: Convert to fraction form
    58,222.60/87,276.30 = 28,616.20/x
  3. Step 3: Cross multiply
    58,222.60x = 87,276.30 × 28,616.20
  4. Step 4: Simplify right side
    58,222.60x = 2,497,516,056.06
  5. Step 5: Solve for x
    x = 2,497,516,056.06/58,222.60
  6. Step 6: Final answer
    x = 42,895.99

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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.