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Finding the Fourth Proportional to 63,075.88, 94,613.58 and 20,959.12

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Solution

The fourth proportional to 63,075.88, 94,613.58 and 20,959.12 is: 31,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,075.88 : 94,613.58 = 20,959.12 : x
  2. Step 2: Convert to fraction form
    63,075.88/94,613.58 = 20,959.12/x
  3. Step 3: Cross multiply
    63,075.88x = 94,613.58 × 20,959.12
  4. Step 4: Simplify right side
    63,075.88x = 1,983,017,376.85
  5. Step 5: Solve for x
    x = 1,983,017,376.85/63,075.88
  6. Step 6: Final answer
    x = 31,438.60

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1.5x scale

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.