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Finding the Fourth Proportional to 47,357,652.48, 71,007,713.28 and 18,569,297.28

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Solution

The fourth proportional to 47,357,652.48, 71,007,713.28 and 18,569,297.28 is: 27,842,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,357,652.48 : 71,007,713.28 = 18,569,297.28 : x
  2. Step 2: Convert to fraction form
    47,357,652.48/71,007,713.28 = 18,569,297.28/x
  3. Step 3: Cross multiply
    47,357,652.48x = 71,007,713.28 × 18,569,297.28
  4. Step 4: Simplify right side
    47,357,652.48x = 1,318,563,337,069,324
  5. Step 5: Solve for x
    x = 1,318,563,337,069,324/47,357,652.48
  6. Step 6: Final answer
    x = 27,842,666.77

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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.