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Finding the Fourth Proportional to 30,607.84, 45,915.02 and 10,888.24

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Solution

The fourth proportional to 30,607.84, 45,915.02 and 10,888.24 is: 16,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607.84 : 45,915.02 = 10,888.24 : x
  2. Step 2: Convert to fraction form
    30,607.84/45,915.02 = 10,888.24/x
  3. Step 3: Cross multiply
    30,607.84x = 45,915.02 × 10,888.24
  4. Step 4: Simplify right side
    30,607.84x = 499,933,757.36
  5. Step 5: Solve for x
    x = 499,933,757.36/30,607.84
  6. Step 6: Final answer
    x = 16,333.52

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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.