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Finding the Fourth Proportional to 32,354.64, 44,676.36 and 21,779.28

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Solution

The fourth proportional to 32,354.64, 44,676.36 and 21,779.28 is: 30,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,354.64 : 44,676.36 = 21,779.28 : x
  2. Step 2: Convert to fraction form
    32,354.64/44,676.36 = 21,779.28/x
  3. Step 3: Cross multiply
    32,354.64x = 44,676.36 × 21,779.28
  4. Step 4: Simplify right side
    32,354.64x = 973,018,953.82
  5. Step 5: Solve for x
    x = 973,018,953.82/32,354.64
  6. Step 6: Final answer
    x = 30,073.55

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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.