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Finding the Fourth Proportional to 10,779.53, 14,877.23 and 6,532.29

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Solution

The fourth proportional to 10,779.53, 14,877.23 and 6,532.29 is: 9,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.53 : 14,877.23 = 6,532.29 : x
  2. Step 2: Convert to fraction form
    10,779.53/14,877.23 = 6,532.29/x
  3. Step 3: Cross multiply
    10,779.53x = 14,877.23 × 6,532.29
  4. Step 4: Simplify right side
    10,779.53x = 97,182,348.10
  5. Step 5: Solve for x
    x = 97,182,348.10/10,779.53
  6. Step 6: Final answer
    x = 9,015.46

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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.