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Finding the Fourth Proportional to 59,586.36, 82,220.04 and 34,431

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Solution

The fourth proportional to 59,586.36, 82,220.04 and 34,431 is: 47,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,586.36 : 82,220.04 = 34,431 : x
  2. Step 2: Convert to fraction form
    59,586.36/82,220.04 = 34,431/x
  3. Step 3: Cross multiply
    59,586.36x = 82,220.04 × 34,431
  4. Step 4: Simplify right side
    59,586.36x = 2,830,918,197.24
  5. Step 5: Solve for x
    x = 2,830,918,197.24/59,586.36
  6. Step 6: Final answer
    x = 47,509.50

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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.