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Finding the Fourth Proportional to 35,498.99, 48,988.55 and 19,366.30

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Solution

The fourth proportional to 35,498.99, 48,988.55 and 19,366.30 is: 26,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,498.99 : 48,988.55 = 19,366.30 : x
  2. Step 2: Convert to fraction form
    35,498.99/48,988.55 = 19,366.30/x
  3. Step 3: Cross multiply
    35,498.99x = 48,988.55 × 19,366.30
  4. Step 4: Simplify right side
    35,498.99x = 948,727,076.21
  5. Step 5: Solve for x
    x = 948,727,076.21/35,498.99
  6. Step 6: Final answer
    x = 26,725.46

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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.