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Finding the Fourth Proportional to 38,806,912.40, 58,210,541.40 and 10,051,005.20

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Solution

The fourth proportional to 38,806,912.40, 58,210,541.40 and 10,051,005.20 is: 15,076,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806,912.40 : 58,210,541.40 = 10,051,005.20 : x
  2. Step 2: Convert to fraction form
    38,806,912.40/58,210,541.40 = 10,051,005.20/x
  3. Step 3: Cross multiply
    38,806,912.40x = 58,210,541.40 × 10,051,005.20
  4. Step 4: Simplify right side
    38,806,912.40x = 585,074,454,306,215.25
  5. Step 5: Solve for x
    x = 585,074,454,306,215.25/38,806,912.40
  6. Step 6: Final answer
    x = 15,076,552.56

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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.