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Finding the Fourth Proportional to 55,303.84, 82,956.08 and 13,750.84

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Solution

The fourth proportional to 55,303.84, 82,956.08 and 13,750.84 is: 20,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,303.84 : 82,956.08 = 13,750.84 : x
  2. Step 2: Convert to fraction form
    55,303.84/82,956.08 = 13,750.84/x
  3. Step 3: Cross multiply
    55,303.84x = 82,956.08 × 13,750.84
  4. Step 4: Simplify right side
    55,303.84x = 1,140,715,783.11
  5. Step 5: Solve for x
    x = 1,140,715,783.11/55,303.84
  6. Step 6: Final answer
    x = 20,626.34

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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.