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Finding the Fourth Proportional to 22,965,807.20, 34,448,710.80 and 15,690,970.40

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Solution

The fourth proportional to 22,965,807.20, 34,448,710.80 and 15,690,970.40 is: 23,536,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,965,807.20 : 34,448,710.80 = 15,690,970.40 : x
  2. Step 2: Convert to fraction form
    22,965,807.20/34,448,710.80 = 15,690,970.40/x
  3. Step 3: Cross multiply
    22,965,807.20x = 34,448,710.80 × 15,690,970.40
  4. Step 4: Simplify right side
    22,965,807.20x = 540,533,701,480,960.31
  5. Step 5: Solve for x
    x = 540,533,701,480,960.31/22,965,807.20
  6. Step 6: Final answer
    x = 23,536,455.60

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1.5x scale

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.