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Finding the Fourth Proportional to 5,653.81, 8,477.98 and 1,954.74

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Solution

The fourth proportional to 5,653.81, 8,477.98 and 1,954.74 is: 2,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.81 : 8,477.98 = 1,954.74 : x
  2. Step 2: Convert to fraction form
    5,653.81/8,477.98 = 1,954.74/x
  3. Step 3: Cross multiply
    5,653.81x = 8,477.98 × 1,954.74
  4. Step 4: Simplify right side
    5,653.81x = 16,572,246.63
  5. Step 5: Solve for x
    x = 16,572,246.63/5,653.81
  6. Step 6: Final answer
    x = 2,931.16

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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.