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Finding the Fourth Proportional to 8,976,615.86, 13,484,852.84 and 5,567,421.84

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Solution

The fourth proportional to 8,976,615.86, 13,484,852.84 and 5,567,421.84 is: 8,363,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976,615.86 : 13,484,852.84 = 5,567,421.84 : x
  2. Step 2: Convert to fraction form
    8,976,615.86/13,484,852.84 = 5,567,421.84/x
  3. Step 3: Cross multiply
    8,976,615.86x = 13,484,852.84 × 5,567,421.84
  4. Step 4: Simplify right side
    8,976,615.86x = 75,075,864,210,602.02
  5. Step 5: Solve for x
    x = 75,075,864,210,602.02/8,976,615.86
  6. Step 6: Final answer
    x = 8,363,493.03

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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.