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Finding the Fourth Proportional to 5,655.47, 8,482.73 and 1,759.50

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Solution

The fourth proportional to 5,655.47, 8,482.73 and 1,759.50 is: 2,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.47 : 8,482.73 = 1,759.50 : x
  2. Step 2: Convert to fraction form
    5,655.47/8,482.73 = 1,759.50/x
  3. Step 3: Cross multiply
    5,655.47x = 8,482.73 × 1,759.50
  4. Step 4: Simplify right side
    5,655.47x = 14,925,354.64
  5. Step 5: Solve for x
    x = 14,925,354.64/5,655.47
  6. Step 6: Final answer
    x = 2,639.10

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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.