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Finding the Fourth Proportional to 10,703.70, 16,063.65 and 7,004.70

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Solution

The fourth proportional to 10,703.70, 16,063.65 and 7,004.70 is: 10,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.70 : 16,063.65 = 7,004.70 : x
  2. Step 2: Convert to fraction form
    10,703.70/16,063.65 = 7,004.70/x
  3. Step 3: Cross multiply
    10,703.70x = 16,063.65 × 7,004.70
  4. Step 4: Simplify right side
    10,703.70x = 112,521,049.16
  5. Step 5: Solve for x
    x = 112,521,049.16/10,703.70
  6. Step 6: Final answer
    x = 10,512.35

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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.