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Finding the Fourth Proportional to 5,711,666.40, 8,581,496.40 and 4,294,490.40

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Solution

The fourth proportional to 5,711,666.40, 8,581,496.40 and 4,294,490.40 is: 6,452,259.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711,666.40 : 8,581,496.40 = 4,294,490.40 : x
  2. Step 2: Convert to fraction form
    5,711,666.40/8,581,496.40 = 4,294,490.40/x
  3. Step 3: Cross multiply
    5,711,666.40x = 8,581,496.40 × 4,294,490.40
  4. Step 4: Simplify right side
    5,711,666.40x = 36,853,153,907,434.56
  5. Step 5: Solve for x
    x = 36,853,153,907,434.56/5,711,666.40
  6. Step 6: Final answer
    x = 6,452,259.52

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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.