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Finding the Fourth Proportional to 14,495.29, 20,040.08 and 10,712.50

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Solution

The fourth proportional to 14,495.29, 20,040.08 and 10,712.50 is: 14,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.29 : 20,040.08 = 10,712.50 : x
  2. Step 2: Convert to fraction form
    14,495.29/20,040.08 = 10,712.50/x
  3. Step 3: Cross multiply
    14,495.29x = 20,040.08 × 10,712.50
  4. Step 4: Simplify right side
    14,495.29x = 214,679,253.34
  5. Step 5: Solve for x
    x = 214,679,253.34/14,495.29
  6. Step 6: Final answer
    x = 14,810.28

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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.