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Finding the Fourth Proportional to 7,000.07, 10,503.49 and 3,490.58

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Solution

The fourth proportional to 7,000.07, 10,503.49 and 3,490.58 is: 5,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.07 : 10,503.49 = 3,490.58 : x
  2. Step 2: Convert to fraction form
    7,000.07/10,503.49 = 3,490.58/x
  3. Step 3: Cross multiply
    7,000.07x = 10,503.49 × 3,490.58
  4. Step 4: Simplify right side
    7,000.07x = 36,663,256.22
  5. Step 5: Solve for x
    x = 36,663,256.22/7,000.07
  6. Step 6: Final answer
    x = 5,237.55

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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.