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Finding the Fourth Proportional to 16,806,497.60, 25,209,746.40 and 4,840,443.20

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Solution

The fourth proportional to 16,806,497.60, 25,209,746.40 and 4,840,443.20 is: 7,260,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806,497.60 : 25,209,746.40 = 4,840,443.20 : x
  2. Step 2: Convert to fraction form
    16,806,497.60/25,209,746.40 = 4,840,443.20/x
  3. Step 3: Cross multiply
    16,806,497.60x = 25,209,746.40 × 4,840,443.20
  4. Step 4: Simplify right side
    16,806,497.60x = 122,026,345,535,604.48
  5. Step 5: Solve for x
    x = 122,026,345,535,604.48/16,806,497.60
  6. Step 6: Final answer
    x = 7,260,664.80

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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.