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Finding the Fourth Proportional to 58,303.36, 80,459.76 and 33,153.76

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Solution

The fourth proportional to 58,303.36, 80,459.76 and 33,153.76 is: 45,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,303.36 : 80,459.76 = 33,153.76 : x
  2. Step 2: Convert to fraction form
    58,303.36/80,459.76 = 33,153.76/x
  3. Step 3: Cross multiply
    58,303.36x = 80,459.76 × 33,153.76
  4. Step 4: Simplify right side
    58,303.36x = 2,667,543,572.70
  5. Step 5: Solve for x
    x = 2,667,543,572.70/58,303.36
  6. Step 6: Final answer
    x = 45,752.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.