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Finding the Fourth Proportional to 16,963,719.20, 23,698,818.40 and 16,963,719.20

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Solution

The fourth proportional to 16,963,719.20, 23,698,818.40 and 16,963,719.20 is: 23,698,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,963,719.20 : 23,698,818.40 = 16,963,719.20 : x
  2. Step 2: Convert to fraction form
    16,963,719.20/23,698,818.40 = 16,963,719.20/x
  3. Step 3: Cross multiply
    16,963,719.20x = 23,698,818.40 × 16,963,719.20
  4. Step 4: Simplify right side
    16,963,719.20x = 402,020,100,709,393.25
  5. Step 5: Solve for x
    x = 402,020,100,709,393.25/16,963,719.20
  6. Step 6: Final answer
    x = 23,698,818.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.