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Finding the Fourth Proportional to 7,107,820.04, 9,807,948.72 and 4,010,162.81

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Solution

The fourth proportional to 7,107,820.04, 9,807,948.72 and 4,010,162.81 is: 5,533,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107,820.04 : 9,807,948.72 = 4,010,162.81 : x
  2. Step 2: Convert to fraction form
    7,107,820.04/9,807,948.72 = 4,010,162.81/x
  3. Step 3: Cross multiply
    7,107,820.04x = 9,807,948.72 × 4,010,162.81
  4. Step 4: Simplify right side
    7,107,820.04x = 39,331,471,238,889.09
  5. Step 5: Solve for x
    x = 39,331,471,238,889.09/7,107,820.04
  6. Step 6: Final answer
    x = 5,533,549.11

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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.