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Finding the Fourth Proportional to 5,641.76, 8,465.16 and 3,041.68

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Solution

The fourth proportional to 5,641.76, 8,465.16 and 3,041.68 is: 4,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.76 : 8,465.16 = 3,041.68 : x
  2. Step 2: Convert to fraction form
    5,641.76/8,465.16 = 3,041.68/x
  3. Step 3: Cross multiply
    5,641.76x = 8,465.16 × 3,041.68
  4. Step 4: Simplify right side
    5,641.76x = 25,748,307.87
  5. Step 5: Solve for x
    x = 25,748,307.87/5,641.76
  6. Step 6: Final answer
    x = 4,563.88

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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.