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Finding the Fourth Proportional to 8,750.56, 12,075.80 and 4,771.74

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Solution

The fourth proportional to 8,750.56, 12,075.80 and 4,771.74 is: 6,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.56 : 12,075.80 = 4,771.74 : x
  2. Step 2: Convert to fraction form
    8,750.56/12,075.80 = 4,771.74/x
  3. Step 3: Cross multiply
    8,750.56x = 12,075.80 × 4,771.74
  4. Step 4: Simplify right side
    8,750.56x = 57,622,577.89
  5. Step 5: Solve for x
    x = 57,622,577.89/8,750.56
  6. Step 6: Final answer
    x = 6,585.02

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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.