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Finding the Fourth Proportional to 29,779.76, 44,939.84 and 28,788.32

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Solution

The fourth proportional to 29,779.76, 44,939.84 and 28,788.32 is: 43,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,779.76 : 44,939.84 = 28,788.32 : x
  2. Step 2: Convert to fraction form
    29,779.76/44,939.84 = 28,788.32/x
  3. Step 3: Cross multiply
    29,779.76x = 44,939.84 × 28,788.32
  4. Step 4: Simplify right side
    29,779.76x = 1,293,742,494.67
  5. Step 5: Solve for x
    x = 1,293,742,494.67/29,779.76
  6. Step 6: Final answer
    x = 43,443.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.