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Finding the Fourth Proportional to 8,907.55, 13,357.26 and 4,746.49

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Solution

The fourth proportional to 8,907.55, 13,357.26 and 4,746.49 is: 7,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.55 : 13,357.26 = 4,746.49 : x
  2. Step 2: Convert to fraction form
    8,907.55/13,357.26 = 4,746.49/x
  3. Step 3: Cross multiply
    8,907.55x = 13,357.26 × 4,746.49
  4. Step 4: Simplify right side
    8,907.55x = 63,400,101.02
  5. Step 5: Solve for x
    x = 63,400,101.02/8,907.55
  6. Step 6: Final answer
    x = 7,117.57

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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.