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Finding the Fourth Proportional to 42,460.40, 63,715.80 and 16,167.80

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Solution

The fourth proportional to 42,460.40, 63,715.80 and 16,167.80 is: 24,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,460.40 : 63,715.80 = 16,167.80 : x
  2. Step 2: Convert to fraction form
    42,460.40/63,715.80 = 16,167.80/x
  3. Step 3: Cross multiply
    42,460.40x = 63,715.80 × 16,167.80
  4. Step 4: Simplify right side
    42,460.40x = 1,030,144,311.24
  5. Step 5: Solve for x
    x = 1,030,144,311.24/42,460.40
  6. Step 6: Final answer
    x = 24,261.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.