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Finding the Fourth Proportional to 8,568.51, 12,810.50 and 7,266.77

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Solution

The fourth proportional to 8,568.51, 12,810.50 and 7,266.77 is: 10,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.51 : 12,810.50 = 7,266.77 : x
  2. Step 2: Convert to fraction form
    8,568.51/12,810.50 = 7,266.77/x
  3. Step 3: Cross multiply
    8,568.51x = 12,810.50 × 7,266.77
  4. Step 4: Simplify right side
    8,568.51x = 93,090,957.09
  5. Step 5: Solve for x
    x = 93,090,957.09/8,568.51
  6. Step 6: Final answer
    x = 10,864.31

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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.