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Finding the Fourth Proportional to 58,328.16, 80,492.16 and 33,177.60

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Solution

The fourth proportional to 58,328.16, 80,492.16 and 33,177.60 is: 45,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,328.16 : 80,492.16 = 33,177.60 : x
  2. Step 2: Convert to fraction form
    58,328.16/80,492.16 = 33,177.60/x
  3. Step 3: Cross multiply
    58,328.16x = 80,492.16 × 33,177.60
  4. Step 4: Simplify right side
    58,328.16x = 2,670,536,687.62
  5. Step 5: Solve for x
    x = 2,670,536,687.62/58,328.16
  6. Step 6: Final answer
    x = 45,784.69

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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.