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Finding the Fourth Proportional to 8,893.68, 12,277.68 and 6,075.68

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Solution

The fourth proportional to 8,893.68, 12,277.68 and 6,075.68 is: 8,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.68 : 12,277.68 = 6,075.68 : x
  2. Step 2: Convert to fraction form
    8,893.68/12,277.68 = 6,075.68/x
  3. Step 3: Cross multiply
    8,893.68x = 12,277.68 × 6,075.68
  4. Step 4: Simplify right side
    8,893.68x = 74,595,254.82
  5. Step 5: Solve for x
    x = 74,595,254.82/8,893.68
  6. Step 6: Final answer
    x = 8,387.45

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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.