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Finding the Fourth Proportional to 5,689.64, 8,533.32 and 1,740.20

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Solution

The fourth proportional to 5,689.64, 8,533.32 and 1,740.20 is: 2,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.64 : 8,533.32 = 1,740.20 : x
  2. Step 2: Convert to fraction form
    5,689.64/8,533.32 = 1,740.20/x
  3. Step 3: Cross multiply
    5,689.64x = 8,533.32 × 1,740.20
  4. Step 4: Simplify right side
    5,689.64x = 14,849,683.46
  5. Step 5: Solve for x
    x = 14,849,683.46/5,689.64
  6. Step 6: Final answer
    x = 2,609.95

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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.