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Finding the Fourth Proportional to 60,428.40, 83,404.53 and 33,580.14

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Solution

The fourth proportional to 60,428.40, 83,404.53 and 33,580.14 is: 46,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,428.40 : 83,404.53 = 33,580.14 : x
  2. Step 2: Convert to fraction form
    60,428.40/83,404.53 = 33,580.14/x
  3. Step 3: Cross multiply
    60,428.40x = 83,404.53 × 33,580.14
  4. Step 4: Simplify right side
    60,428.40x = 2,800,735,794.03
  5. Step 5: Solve for x
    x = 2,800,735,794.03/60,428.40
  6. Step 6: Final answer
    x = 46,348.01

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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.