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Finding the Fourth Proportional to 8,221,492.40, 11,535,283.60 and 8,221,492.40

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Solution

The fourth proportional to 8,221,492.40, 11,535,283.60 and 8,221,492.40 is: 11,535,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,492.40 : 11,535,283.60 = 8,221,492.40 : x
  2. Step 2: Convert to fraction form
    8,221,492.40/11,535,283.60 = 8,221,492.40/x
  3. Step 3: Cross multiply
    8,221,492.40x = 11,535,283.60 × 8,221,492.40
  4. Step 4: Simplify right side
    8,221,492.40x = 94,837,246,449,244.64
  5. Step 5: Solve for x
    x = 94,837,246,449,244.64/8,221,492.40
  6. Step 6: Final answer
    x = 11,535,283.60

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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.