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Finding the Fourth Proportional to 8,632.56, 12,953.14 and 5,710.08

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Solution

The fourth proportional to 8,632.56, 12,953.14 and 5,710.08 is: 8,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.56 : 12,953.14 = 5,710.08 : x
  2. Step 2: Convert to fraction form
    8,632.56/12,953.14 = 5,710.08/x
  3. Step 3: Cross multiply
    8,632.56x = 12,953.14 × 5,710.08
  4. Step 4: Simplify right side
    8,632.56x = 73,963,465.65
  5. Step 5: Solve for x
    x = 73,963,465.65/8,632.56
  6. Step 6: Final answer
    x = 8,567.96

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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.