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Finding the Fourth Proportional to 7,035.15, 9,703.10 and 4,910.00

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Solution

The fourth proportional to 7,035.15, 9,703.10 and 4,910.00 is: 6,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.15 : 9,703.10 = 4,910.00 : x
  2. Step 2: Convert to fraction form
    7,035.15/9,703.10 = 4,910.00/x
  3. Step 3: Cross multiply
    7,035.15x = 9,703.10 × 4,910.00
  4. Step 4: Simplify right side
    7,035.15x = 47,642,287.18
  5. Step 5: Solve for x
    x = 47,642,287.18/7,035.15
  6. Step 6: Final answer
    x = 6,772.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.