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Finding the Fourth Proportional to 8,751.93, 12,075.53 and 5,612.37

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Solution

The fourth proportional to 8,751.93, 12,075.53 and 5,612.37 is: 7,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.93 : 12,075.53 = 5,612.37 : x
  2. Step 2: Convert to fraction form
    8,751.93/12,075.53 = 5,612.37/x
  3. Step 3: Cross multiply
    8,751.93x = 12,075.53 × 5,612.37
  4. Step 4: Simplify right side
    8,751.93x = 67,772,314.24
  5. Step 5: Solve for x
    x = 67,772,314.24/8,751.93
  6. Step 6: Final answer
    x = 7,743.70

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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.