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Finding the Fourth Proportional to 35,295.99, 52,931.34 and 12,800.99

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Solution

The fourth proportional to 35,295.99, 52,931.34 and 12,800.99 is: 19,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,295.99 : 52,931.34 = 12,800.99 : x
  2. Step 2: Convert to fraction form
    35,295.99/52,931.34 = 12,800.99/x
  3. Step 3: Cross multiply
    35,295.99x = 52,931.34 × 12,800.99
  4. Step 4: Simplify right side
    35,295.99x = 677,573,554.03
  5. Step 5: Solve for x
    x = 677,573,554.03/35,295.99
  6. Step 6: Final answer
    x = 19,196.90

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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.