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Finding the Fourth Proportional to 27,312.30, 40,968.45 and 16,814.70

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Solution

The fourth proportional to 27,312.30, 40,968.45 and 16,814.70 is: 25,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.30 : 40,968.45 = 16,814.70 : x
  2. Step 2: Convert to fraction form
    27,312.30/40,968.45 = 16,814.70/x
  3. Step 3: Cross multiply
    27,312.30x = 40,968.45 × 16,814.70
  4. Step 4: Simplify right side
    27,312.30x = 688,872,196.22
  5. Step 5: Solve for x
    x = 688,872,196.22/27,312.30
  6. Step 6: Final answer
    x = 25,222.05

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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.