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Finding the Fourth Proportional to 11,073,409.40, 15,464,981.80 and 11,073,409.40

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Solution

The fourth proportional to 11,073,409.40, 15,464,981.80 and 11,073,409.40 is: 15,464,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073,409.40 : 15,464,981.80 = 11,073,409.40 : x
  2. Step 2: Convert to fraction form
    11,073,409.40/15,464,981.80 = 11,073,409.40/x
  3. Step 3: Cross multiply
    11,073,409.40x = 15,464,981.80 × 11,073,409.40
  4. Step 4: Simplify right side
    11,073,409.40x = 171,250,074,834,948.94
  5. Step 5: Solve for x
    x = 171,250,074,834,948.94/11,073,409.40
  6. Step 6: Final answer
    x = 15,464,981.80

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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.