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Finding the Fourth Proportional to 10,888,981.80, 16,333,472.70 and 7,106,735.40

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Solution

The fourth proportional to 10,888,981.80, 16,333,472.70 and 7,106,735.40 is: 10,660,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888,981.80 : 16,333,472.70 = 7,106,735.40 : x
  2. Step 2: Convert to fraction form
    10,888,981.80/16,333,472.70 = 7,106,735.40/x
  3. Step 3: Cross multiply
    10,888,981.80x = 16,333,472.70 × 7,106,735.40
  4. Step 4: Simplify right side
    10,888,981.80x = 116,077,668,642,023.58
  5. Step 5: Solve for x
    x = 116,077,668,642,023.58/10,888,981.80
  6. Step 6: Final answer
    x = 10,660,103.10

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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.