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Finding the Fourth Proportional to 6,554.52, 9,868.74 and 5,779.53

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Solution

The fourth proportional to 6,554.52, 9,868.74 and 5,779.53 is: 8,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.52 : 9,868.74 = 5,779.53 : x
  2. Step 2: Convert to fraction form
    6,554.52/9,868.74 = 5,779.53/x
  3. Step 3: Cross multiply
    6,554.52x = 9,868.74 × 5,779.53
  4. Step 4: Simplify right side
    6,554.52x = 57,036,678.89
  5. Step 5: Solve for x
    x = 57,036,678.89/6,554.52
  6. Step 6: Final answer
    x = 8,701.88

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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.