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Finding the Fourth Proportional to 18,662,952, 27,994,428.12 and 4,479,528

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Solution

The fourth proportional to 18,662,952, 27,994,428.12 and 4,479,528 is: 6,719,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,952 : 27,994,428.12 = 4,479,528 : x
  2. Step 2: Convert to fraction form
    18,662,952/27,994,428.12 = 4,479,528/x
  3. Step 3: Cross multiply
    18,662,952x = 27,994,428.12 × 4,479,528
  4. Step 4: Simplify right side
    18,662,952x = 125,401,824,607,527.36
  5. Step 5: Solve for x
    x = 125,401,824,607,527.36/18,662,952
  6. Step 6: Final answer
    x = 6,719,292.03

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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.