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Finding the Fourth Proportional to 8,907.53, 12,292.41 and 5,079.06

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Solution

The fourth proportional to 8,907.53, 12,292.41 and 5,079.06 is: 7,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.53 : 12,292.41 = 5,079.06 : x
  2. Step 2: Convert to fraction form
    8,907.53/12,292.41 = 5,079.06/x
  3. Step 3: Cross multiply
    8,907.53x = 12,292.41 × 5,079.06
  4. Step 4: Simplify right side
    8,907.53x = 62,433,801.08
  5. Step 5: Solve for x
    x = 62,433,801.08/8,907.53
  6. Step 6: Final answer
    x = 7,009.10

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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.