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Finding the Fourth Proportional to 8,666,281.04, 11,959,321.70 and 4,798,719.15

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Solution

The fourth proportional to 8,666,281.04, 11,959,321.70 and 4,798,719.15 is: 6,622,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,281.04 : 11,959,321.70 = 4,798,719.15 : x
  2. Step 2: Convert to fraction form
    8,666,281.04/11,959,321.70 = 4,798,719.15/x
  3. Step 3: Cross multiply
    8,666,281.04x = 11,959,321.70 × 4,798,719.15
  4. Step 4: Simplify right side
    8,666,281.04x = 57,389,426,038,806.97
  5. Step 5: Solve for x
    x = 57,389,426,038,806.97/8,666,281.04
  6. Step 6: Final answer
    x = 6,622,151.51

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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.