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Finding the Fourth Proportional to 9,581,276.80, 14,371,915.20 and 9,203,363.20

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Solution

The fourth proportional to 9,581,276.80, 14,371,915.20 and 9,203,363.20 is: 13,805,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581,276.80 : 14,371,915.20 = 9,203,363.20 : x
  2. Step 2: Convert to fraction form
    9,581,276.80/14,371,915.20 = 9,203,363.20/x
  3. Step 3: Cross multiply
    9,581,276.80x = 14,371,915.20 × 9,203,363.20
  4. Step 4: Simplify right side
    9,581,276.80x = 132,269,955,465,200.62
  5. Step 5: Solve for x
    x = 132,269,955,465,200.62/9,581,276.80
  6. Step 6: Final answer
    x = 13,805,044.80

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1.5x scale

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.