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Finding the Fourth Proportional to 29,654.58, 40,913.19 and 18,312.24

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Solution

The fourth proportional to 29,654.58, 40,913.19 and 18,312.24 is: 25,264.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,654.58 : 40,913.19 = 18,312.24 : x
  2. Step 2: Convert to fraction form
    29,654.58/40,913.19 = 18,312.24/x
  3. Step 3: Cross multiply
    29,654.58x = 40,913.19 × 18,312.24
  4. Step 4: Simplify right side
    29,654.58x = 749,212,154.45
  5. Step 5: Solve for x
    x = 749,212,154.45/29,654.58
  6. Step 6: Final answer
    x = 25,264.64

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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.