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Finding the Fourth Proportional to 10,779.91, 14,876.22 and 6,064.18

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Solution

The fourth proportional to 10,779.91, 14,876.22 and 6,064.18 is: 8,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.91 : 14,876.22 = 6,064.18 : x
  2. Step 2: Convert to fraction form
    10,779.91/14,876.22 = 6,064.18/x
  3. Step 3: Cross multiply
    10,779.91x = 14,876.22 × 6,064.18
  4. Step 4: Simplify right side
    10,779.91x = 90,212,075.80
  5. Step 5: Solve for x
    x = 90,212,075.80/10,779.91
  6. Step 6: Final answer
    x = 8,368.54

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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.