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Finding the Fourth Proportional to 4,700.58, 7,051.76 and 1,889.63

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Solution

The fourth proportional to 4,700.58, 7,051.76 and 1,889.63 is: 2,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.58 : 7,051.76 = 1,889.63 : x
  2. Step 2: Convert to fraction form
    4,700.58/7,051.76 = 1,889.63/x
  3. Step 3: Cross multiply
    4,700.58x = 7,051.76 × 1,889.63
  4. Step 4: Simplify right side
    4,700.58x = 13,325,256.37
  5. Step 5: Solve for x
    x = 13,325,256.37/4,700.58
  6. Step 6: Final answer
    x = 2,834.81

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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.