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Finding the Fourth Proportional to 59,899.60, 89,849.40 and 54,845.20

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Solution

The fourth proportional to 59,899.60, 89,849.40 and 54,845.20 is: 82,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,899.60 : 89,849.40 = 54,845.20 : x
  2. Step 2: Convert to fraction form
    59,899.60/89,849.40 = 54,845.20/x
  3. Step 3: Cross multiply
    59,899.60x = 89,849.40 × 54,845.20
  4. Step 4: Simplify right side
    59,899.60x = 4,927,808,312.88
  5. Step 5: Solve for x
    x = 4,927,808,312.88/59,899.60
  6. Step 6: Final answer
    x = 82,267.80

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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.