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Finding the Fourth Proportional to 10,779.69, 14,875.82 and 6,063.97

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Solution

The fourth proportional to 10,779.69, 14,875.82 and 6,063.97 is: 8,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.69 : 14,875.82 = 6,063.97 : x
  2. Step 2: Convert to fraction form
    10,779.69/14,875.82 = 6,063.97/x
  3. Step 3: Cross multiply
    10,779.69x = 14,875.82 × 6,063.97
  4. Step 4: Simplify right side
    10,779.69x = 90,206,526.21
  5. Step 5: Solve for x
    x = 90,206,526.21/10,779.69
  6. Step 6: Final answer
    x = 8,368.19

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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.