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Finding the Fourth Proportional to 4,784.94, 7,130.43 and 4,628.34

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Solution

The fourth proportional to 4,784.94, 7,130.43 and 4,628.34 is: 6,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.94 : 7,130.43 = 4,628.34 : x
  2. Step 2: Convert to fraction form
    4,784.94/7,130.43 = 4,628.34/x
  3. Step 3: Cross multiply
    4,784.94x = 7,130.43 × 4,628.34
  4. Step 4: Simplify right side
    4,784.94x = 33,002,054.39
  5. Step 5: Solve for x
    x = 33,002,054.39/4,784.94
  6. Step 6: Final answer
    x = 6,897.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.