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Finding the Fourth Proportional to 6,570.12, 9,070.11 and 5,074.68

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Solution

The fourth proportional to 6,570.12, 9,070.11 and 5,074.68 is: 7,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.12 : 9,070.11 = 5,074.68 : x
  2. Step 2: Convert to fraction form
    6,570.12/9,070.11 = 5,074.68/x
  3. Step 3: Cross multiply
    6,570.12x = 9,070.11 × 5,074.68
  4. Step 4: Simplify right side
    6,570.12x = 46,027,905.81
  5. Step 5: Solve for x
    x = 46,027,905.81/6,570.12
  6. Step 6: Final answer
    x = 7,005.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.