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Finding the Fourth Proportional to 35,253.70, 52,856.90 and 13,886.88

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Solution

The fourth proportional to 35,253.70, 52,856.90 and 13,886.88 is: 20,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,253.70 : 52,856.90 = 13,886.88 : x
  2. Step 2: Convert to fraction form
    35,253.70/52,856.90 = 13,886.88/x
  3. Step 3: Cross multiply
    35,253.70x = 52,856.90 × 13,886.88
  4. Step 4: Simplify right side
    35,253.70x = 734,017,358.04
  5. Step 5: Solve for x
    x = 734,017,358.04/35,253.70
  6. Step 6: Final answer
    x = 20,821.00

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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.