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Finding the Fourth Proportional to 35,038.16, 52,570.80 and 12,866.84

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Solution

The fourth proportional to 35,038.16, 52,570.80 and 12,866.84 is: 19,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,038.16 : 52,570.80 = 12,866.84 : x
  2. Step 2: Convert to fraction form
    35,038.16/52,570.80 = 12,866.84/x
  3. Step 3: Cross multiply
    35,038.16x = 52,570.80 × 12,866.84
  4. Step 4: Simplify right side
    35,038.16x = 676,419,809.42
  5. Step 5: Solve for x
    x = 676,419,809.42/35,038.16
  6. Step 6: Final answer
    x = 19,305.23

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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.