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Finding the Fourth Proportional to 82,599.99, 123,915.93 and 35,214.28

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Solution

The fourth proportional to 82,599.99, 123,915.93 and 35,214.28 is: 52,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,599.99 : 123,915.93 = 35,214.28 : x
  2. Step 2: Convert to fraction form
    82,599.99/123,915.93 = 35,214.28/x
  3. Step 3: Cross multiply
    82,599.99x = 123,915.93 × 35,214.28
  4. Step 4: Simplify right side
    82,599.99x = 4,363,609,813.64
  5. Step 5: Solve for x
    x = 4,363,609,813.64/82,599.99
  6. Step 6: Final answer
    x = 52,828.21

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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.