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Finding the Fourth Proportional to 10,779.66, 14,876.85 and 6,064.85

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Solution

The fourth proportional to 10,779.66, 14,876.85 and 6,064.85 is: 8,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.66 : 14,876.85 = 6,064.85 : x
  2. Step 2: Convert to fraction form
    10,779.66/14,876.85 = 6,064.85/x
  3. Step 3: Cross multiply
    10,779.66x = 14,876.85 × 6,064.85
  4. Step 4: Simplify right side
    10,779.66x = 90,225,789.34
  5. Step 5: Solve for x
    x = 90,225,789.34/10,779.66
  6. Step 6: Final answer
    x = 8,370.00

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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.