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Finding the Fourth Proportional to 8,292,888.80, 12,444,862.80 and 4,698,648.80

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Solution

The fourth proportional to 8,292,888.80, 12,444,862.80 and 4,698,648.80 is: 7,051,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292,888.80 : 12,444,862.80 = 4,698,648.80 : x
  2. Step 2: Convert to fraction form
    8,292,888.80/12,444,862.80 = 4,698,648.80/x
  3. Step 3: Cross multiply
    8,292,888.80x = 12,444,862.80 × 4,698,648.80
  4. Step 4: Simplify right side
    8,292,888.80x = 58,474,039,661,384.64
  5. Step 5: Solve for x
    x = 58,474,039,661,384.64/8,292,888.80
  6. Step 6: Final answer
    x = 7,051,106.20

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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.