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Finding the Fourth Proportional to 19,569,901.80, 29,354,852.70 and 16,404,875.40

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Solution

The fourth proportional to 19,569,901.80, 29,354,852.70 and 16,404,875.40 is: 24,607,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569,901.80 : 29,354,852.70 = 16,404,875.40 : x
  2. Step 2: Convert to fraction form
    19,569,901.80/29,354,852.70 = 16,404,875.40/x
  3. Step 3: Cross multiply
    19,569,901.80x = 29,354,852.70 × 16,404,875.40
  4. Step 4: Simplify right side
    19,569,901.80x = 481,562,700,928,853.56
  5. Step 5: Solve for x
    x = 481,562,700,928,853.56/19,569,901.80
  6. Step 6: Final answer
    x = 24,607,313.10

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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.