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Finding the Fourth Proportional to 32,918.80, 49,345.80 and 16,281.40

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Solution

The fourth proportional to 32,918.80, 49,345.80 and 16,281.40 is: 24,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,918.80 : 49,345.80 = 16,281.40 : x
  2. Step 2: Convert to fraction form
    32,918.80/49,345.80 = 16,281.40/x
  3. Step 3: Cross multiply
    32,918.80x = 49,345.80 × 16,281.40
  4. Step 4: Simplify right side
    32,918.80x = 803,418,708.12
  5. Step 5: Solve for x
    x = 803,418,708.12/32,918.80
  6. Step 6: Final answer
    x = 24,406.08

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Why These Related Problems?

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