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Finding the Fourth Proportional to 37,915.88, 56,880.50 and 12,950.08

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Solution

The fourth proportional to 37,915.88, 56,880.50 and 12,950.08 is: 19,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,915.88 : 56,880.50 = 12,950.08 : x
  2. Step 2: Convert to fraction form
    37,915.88/56,880.50 = 12,950.08/x
  3. Step 3: Cross multiply
    37,915.88x = 56,880.50 × 12,950.08
  4. Step 4: Simplify right side
    37,915.88x = 736,606,818.49
  5. Step 5: Solve for x
    x = 736,606,818.49/37,915.88
  6. Step 6: Final answer
    x = 19,427.40

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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.