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Finding the Fourth Proportional to 6,845,169.60, 9,443,368.80 and 4,127,405.76

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Solution

The fourth proportional to 6,845,169.60, 9,443,368.80 and 4,127,405.76 is: 5,694,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845,169.60 : 9,443,368.80 = 4,127,405.76 : x
  2. Step 2: Convert to fraction form
    6,845,169.60/9,443,368.80 = 4,127,405.76/x
  3. Step 3: Cross multiply
    6,845,169.60x = 9,443,368.80 × 4,127,405.76
  4. Step 4: Simplify right side
    6,845,169.60x = 38,976,614,778,924.29
  5. Step 5: Solve for x
    x = 38,976,614,778,924.29/6,845,169.60
  6. Step 6: Final answer
    x = 5,694,032.00

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