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Finding the Fourth Proportional to 3,779.56, 5,670.47 and 1,526.93

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Solution

The fourth proportional to 3,779.56, 5,670.47 and 1,526.93 is: 2,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.56 : 5,670.47 = 1,526.93 : x
  2. Step 2: Convert to fraction form
    3,779.56/5,670.47 = 1,526.93/x
  3. Step 3: Cross multiply
    3,779.56x = 5,670.47 × 1,526.93
  4. Step 4: Simplify right side
    3,779.56x = 8,658,386.22
  5. Step 5: Solve for x
    x = 8,658,386.22/3,779.56
  6. Step 6: Final answer
    x = 2,290.85

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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.