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Finding the Fourth Proportional to 25,670.52, 35,426.06 and 14,339.63

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Solution

The fourth proportional to 25,670.52, 35,426.06 and 14,339.63 is: 19,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.52 : 35,426.06 = 14,339.63 : x
  2. Step 2: Convert to fraction form
    25,670.52/35,426.06 = 14,339.63/x
  3. Step 3: Cross multiply
    25,670.52x = 35,426.06 × 14,339.63
  4. Step 4: Simplify right side
    25,670.52x = 507,996,663.40
  5. Step 5: Solve for x
    x = 507,996,663.40/25,670.52
  6. Step 6: Final answer
    x = 19,789.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.