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Finding the Fourth Proportional to 7,000.64, 10,503.19 and 2,070.31

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Solution

The fourth proportional to 7,000.64, 10,503.19 and 2,070.31 is: 3,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.64 : 10,503.19 = 2,070.31 : x
  2. Step 2: Convert to fraction form
    7,000.64/10,503.19 = 2,070.31/x
  3. Step 3: Cross multiply
    7,000.64x = 10,503.19 × 2,070.31
  4. Step 4: Simplify right side
    7,000.64x = 21,744,806.77
  5. Step 5: Solve for x
    x = 21,744,806.77/7,000.64
  6. Step 6: Final answer
    x = 3,106.12

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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.