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Finding the Fourth Proportional to 32,806,484.80, 49,209,727.20 and 13,630,868.80

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Solution

The fourth proportional to 32,806,484.80, 49,209,727.20 and 13,630,868.80 is: 20,446,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,806,484.80 : 49,209,727.20 = 13,630,868.80 : x
  2. Step 2: Convert to fraction form
    32,806,484.80/49,209,727.20 = 13,630,868.80/x
  3. Step 3: Cross multiply
    32,806,484.80x = 49,209,727.20 × 13,630,868.80
  4. Step 4: Simplify right side
    32,806,484.80x = 670,771,335,146,991.38
  5. Step 5: Solve for x
    x = 670,771,335,146,991.38/32,806,484.80
  6. Step 6: Final answer
    x = 20,446,303.20

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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.