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Finding the Fourth Proportional to 8,632.04, 12,938.24 and 7,590.02

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Solution

The fourth proportional to 8,632.04, 12,938.24 and 7,590.02 is: 11,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.04 : 12,938.24 = 7,590.02 : x
  2. Step 2: Convert to fraction form
    8,632.04/12,938.24 = 7,590.02/x
  3. Step 3: Cross multiply
    8,632.04x = 12,938.24 × 7,590.02
  4. Step 4: Simplify right side
    8,632.04x = 98,201,454.65
  5. Step 5: Solve for x
    x = 98,201,454.65/8,632.04
  6. Step 6: Final answer
    x = 11,376.40

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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.