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Finding the Fourth Proportional to 7,290.94, 10,053.55 and 4,928.98

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Solution

The fourth proportional to 7,290.94, 10,053.55 and 4,928.98 is: 6,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.94 : 10,053.55 = 4,928.98 : x
  2. Step 2: Convert to fraction form
    7,290.94/10,053.55 = 4,928.98/x
  3. Step 3: Cross multiply
    7,290.94x = 10,053.55 × 4,928.98
  4. Step 4: Simplify right side
    7,290.94x = 49,553,746.88
  5. Step 5: Solve for x
    x = 49,553,746.88/7,290.94
  6. Step 6: Final answer
    x = 6,796.62

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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.