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Finding the Fourth Proportional to 8,670,957.63, 11,965,360.37 and 4,750,708.38

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Solution

The fourth proportional to 8,670,957.63, 11,965,360.37 and 4,750,708.38 is: 6,555,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,957.63 : 11,965,360.37 = 4,750,708.38 : x
  2. Step 2: Convert to fraction form
    8,670,957.63/11,965,360.37 = 4,750,708.38/x
  3. Step 3: Cross multiply
    8,670,957.63x = 11,965,360.37 × 4,750,708.38
  4. Step 4: Simplify right side
    8,670,957.63x = 56,843,937,779,478.90
  5. Step 5: Solve for x
    x = 56,843,937,779,478.90/8,670,957.63
  6. Step 6: Final answer
    x = 6,555,670.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.