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Finding the Fourth Proportional to 53,653.68, 74,040.68 and 29,779.76

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Solution

The fourth proportional to 53,653.68, 74,040.68 and 29,779.76 is: 41,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,653.68 : 74,040.68 = 29,779.76 : x
  2. Step 2: Convert to fraction form
    53,653.68/74,040.68 = 29,779.76/x
  3. Step 3: Cross multiply
    53,653.68x = 74,040.68 × 29,779.76
  4. Step 4: Simplify right side
    53,653.68x = 2,204,913,680.64
  5. Step 5: Solve for x
    x = 2,204,913,680.64/53,653.68
  6. Step 6: Final answer
    x = 41,095.29

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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.