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Finding the Fourth Proportional to 35,615.44, 53,408.58 and 15,880.50

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Solution

The fourth proportional to 35,615.44, 53,408.58 and 15,880.50 is: 23,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,615.44 : 53,408.58 = 15,880.50 : x
  2. Step 2: Convert to fraction form
    35,615.44/53,408.58 = 15,880.50/x
  3. Step 3: Cross multiply
    35,615.44x = 53,408.58 × 15,880.50
  4. Step 4: Simplify right side
    35,615.44x = 848,154,954.69
  5. Step 5: Solve for x
    x = 848,154,954.69/35,615.44
  6. Step 6: Final answer
    x = 23,814.25

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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.