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Finding the Fourth Proportional to 37,673.80, 56,510.70 and 19,011.40

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Solution

The fourth proportional to 37,673.80, 56,510.70 and 19,011.40 is: 28,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,673.80 : 56,510.70 = 19,011.40 : x
  2. Step 2: Convert to fraction form
    37,673.80/56,510.70 = 19,011.40/x
  3. Step 3: Cross multiply
    37,673.80x = 56,510.70 × 19,011.40
  4. Step 4: Simplify right side
    37,673.80x = 1,074,347,521.98
  5. Step 5: Solve for x
    x = 1,074,347,521.98/37,673.80
  6. Step 6: Final answer
    x = 28,517.10

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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.