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Finding the Fourth Proportional to 29,130.40, 40,200.08 and 16,554.40

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Solution

The fourth proportional to 29,130.40, 40,200.08 and 16,554.40 is: 22,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.40 : 40,200.08 = 16,554.40 : x
  2. Step 2: Convert to fraction form
    29,130.40/40,200.08 = 16,554.40/x
  3. Step 3: Cross multiply
    29,130.40x = 40,200.08 × 16,554.40
  4. Step 4: Simplify right side
    29,130.40x = 665,488,204.35
  5. Step 5: Solve for x
    x = 665,488,204.35/29,130.40
  6. Step 6: Final answer
    x = 22,845.14

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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.