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Finding the Fourth Proportional to 5,355.64, 8,070.05 and 4,403.08

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Solution

The fourth proportional to 5,355.64, 8,070.05 and 4,403.08 is: 6,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.64 : 8,070.05 = 4,403.08 : x
  2. Step 2: Convert to fraction form
    5,355.64/8,070.05 = 4,403.08/x
  3. Step 3: Cross multiply
    5,355.64x = 8,070.05 × 4,403.08
  4. Step 4: Simplify right side
    5,355.64x = 35,533,075.75
  5. Step 5: Solve for x
    x = 35,533,075.75/5,355.64
  6. Step 6: Final answer
    x = 6,634.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.