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Finding the Fourth Proportional to 7,254,502.56, 10,865,210.40 and 3,470,662.08

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Solution

The fourth proportional to 7,254,502.56, 10,865,210.40 and 3,470,662.08 is: 5,198,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,502.56 : 10,865,210.40 = 3,470,662.08 : x
  2. Step 2: Convert to fraction form
    7,254,502.56/10,865,210.40 = 3,470,662.08/x
  3. Step 3: Cross multiply
    7,254,502.56x = 10,865,210.40 × 3,470,662.08
  4. Step 4: Simplify right side
    7,254,502.56x = 37,709,473,726,501.63
  5. Step 5: Solve for x
    x = 37,709,473,726,501.63/7,254,502.56
  6. Step 6: Final answer
    x = 5,198,078.49

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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.