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Finding the Fourth Proportional to 13,000.59, 17,962.25 and 12,508.29

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Solution

The fourth proportional to 13,000.59, 17,962.25 and 12,508.29 is: 17,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.59 : 17,962.25 = 12,508.29 : x
  2. Step 2: Convert to fraction form
    13,000.59/17,962.25 = 12,508.29/x
  3. Step 3: Cross multiply
    13,000.59x = 17,962.25 × 12,508.29
  4. Step 4: Simplify right side
    13,000.59x = 224,676,969.51
  5. Step 5: Solve for x
    x = 224,676,969.51/13,000.59
  6. Step 6: Final answer
    x = 17,282.06

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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.