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Finding the Fourth Proportional to 3,050.71, 4,574.43 and 970.15

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Solution

The fourth proportional to 3,050.71, 4,574.43 and 970.15 is: 1,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.71 : 4,574.43 = 970.15 : x
  2. Step 2: Convert to fraction form
    3,050.71/4,574.43 = 970.15/x
  3. Step 3: Cross multiply
    3,050.71x = 4,574.43 × 970.15
  4. Step 4: Simplify right side
    3,050.71x = 4,437,878.41
  5. Step 5: Solve for x
    x = 4,437,878.41/3,050.71
  6. Step 6: Final answer
    x = 1,454.70

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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.