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Finding the Fourth Proportional to 7,065.71, 10,599.74 and 2,386.16

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Solution

The fourth proportional to 7,065.71, 10,599.74 and 2,386.16 is: 3,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.71 : 10,599.74 = 2,386.16 : x
  2. Step 2: Convert to fraction form
    7,065.71/10,599.74 = 2,386.16/x
  3. Step 3: Cross multiply
    7,065.71x = 10,599.74 × 2,386.16
  4. Step 4: Simplify right side
    7,065.71x = 25,292,675.60
  5. Step 5: Solve for x
    x = 25,292,675.60/7,065.71
  6. Step 6: Final answer
    x = 3,579.64

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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.