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Finding the Fourth Proportional to 28,335, 42,502.48 and 13,498.96

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Solution

The fourth proportional to 28,335, 42,502.48 and 13,498.96 is: 20,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335 : 42,502.48 = 13,498.96 : x
  2. Step 2: Convert to fraction form
    28,335/42,502.48 = 13,498.96/x
  3. Step 3: Cross multiply
    28,335x = 42,502.48 × 13,498.96
  4. Step 4: Simplify right side
    28,335x = 573,739,277.42
  5. Step 5: Solve for x
    x = 573,739,277.42/28,335
  6. Step 6: Final answer
    x = 20,248.43

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