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Finding the Fourth Proportional to 10,573,286.40, 15,859,929.60 and 10,027,411.20

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Solution

The fourth proportional to 10,573,286.40, 15,859,929.60 and 10,027,411.20 is: 15,041,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,573,286.40 : 15,859,929.60 = 10,027,411.20 : x
  2. Step 2: Convert to fraction form
    10,573,286.40/15,859,929.60 = 10,027,411.20/x
  3. Step 3: Cross multiply
    10,573,286.40x = 15,859,929.60 × 10,027,411.20
  4. Step 4: Simplify right side
    10,573,286.40x = 159,034,035,702,251.50
  5. Step 5: Solve for x
    x = 159,034,035,702,251.50/10,573,286.40
  6. Step 6: Final answer
    x = 15,041,116.80

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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.