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Finding the Fourth Proportional to 11,384.58, 17,068.80 and 4,358.67

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Solution

The fourth proportional to 11,384.58, 17,068.80 and 4,358.67 is: 6,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.58 : 17,068.80 = 4,358.67 : x
  2. Step 2: Convert to fraction form
    11,384.58/17,068.80 = 4,358.67/x
  3. Step 3: Cross multiply
    11,384.58x = 17,068.80 × 4,358.67
  4. Step 4: Simplify right side
    11,384.58x = 74,397,266.50
  5. Step 5: Solve for x
    x = 74,397,266.50/11,384.58
  6. Step 6: Final answer
    x = 6,534.92

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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.