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Finding the Fourth Proportional to 59,746.60, 89,619.90 and 45,749.80

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Solution

The fourth proportional to 59,746.60, 89,619.90 and 45,749.80 is: 68,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,746.60 : 89,619.90 = 45,749.80 : x
  2. Step 2: Convert to fraction form
    59,746.60/89,619.90 = 45,749.80/x
  3. Step 3: Cross multiply
    59,746.60x = 89,619.90 × 45,749.80
  4. Step 4: Simplify right side
    59,746.60x = 4,100,092,501.02
  5. Step 5: Solve for x
    x = 4,100,092,501.02/59,746.60
  6. Step 6: Final answer
    x = 68,624.70

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Similar ratio
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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.