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Finding the Fourth Proportional to 7,290.66, 10,065.70 and 5,051.74

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Solution

The fourth proportional to 7,290.66, 10,065.70 and 5,051.74 is: 6,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.66 : 10,065.70 = 5,051.74 : x
  2. Step 2: Convert to fraction form
    7,290.66/10,065.70 = 5,051.74/x
  3. Step 3: Cross multiply
    7,290.66x = 10,065.70 × 5,051.74
  4. Step 4: Simplify right side
    7,290.66x = 50,849,299.32
  5. Step 5: Solve for x
    x = 50,849,299.32/7,290.66
  6. Step 6: Final answer
    x = 6,974.58

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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.