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Finding the Fourth Proportional to 35,497.95, 53,201.70 and 18,865.95

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Solution

The fourth proportional to 35,497.95, 53,201.70 and 18,865.95 is: 28,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,497.95 : 53,201.70 = 18,865.95 : x
  2. Step 2: Convert to fraction form
    35,497.95/53,201.70 = 18,865.95/x
  3. Step 3: Cross multiply
    35,497.95x = 53,201.70 × 18,865.95
  4. Step 4: Simplify right side
    35,497.95x = 1,003,700,612.12
  5. Step 5: Solve for x
    x = 1,003,700,612.12/35,497.95
  6. Step 6: Final answer
    x = 28,274.89

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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.