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Finding the Fourth Proportional to 7,059,671.64, 9,739,111.14 and 4,157,673.30

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Solution

The fourth proportional to 7,059,671.64, 9,739,111.14 and 4,157,673.30 is: 5,735,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059,671.64 : 9,739,111.14 = 4,157,673.30 : x
  2. Step 2: Convert to fraction form
    7,059,671.64/9,739,111.14 = 4,157,673.30/x
  3. Step 3: Cross multiply
    7,059,671.64x = 9,739,111.14 × 4,157,673.30
  4. Step 4: Simplify right side
    7,059,671.64x = 40,492,042,352,510.56
  5. Step 5: Solve for x
    x = 40,492,042,352,510.56/7,059,671.64
  6. Step 6: Final answer
    x = 5,735,683.53

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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.