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Finding the Fourth Proportional to 3,611,715.40, 5,417,573.10 and 3,611,715.40

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Solution

The fourth proportional to 3,611,715.40, 5,417,573.10 and 3,611,715.40 is: 5,417,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,715.40 : 5,417,573.10 = 3,611,715.40 : x
  2. Step 2: Convert to fraction form
    3,611,715.40/5,417,573.10 = 3,611,715.40/x
  3. Step 3: Cross multiply
    3,611,715.40x = 5,417,573.10 × 3,611,715.40
  4. Step 4: Simplify right side
    3,611,715.40x = 19,566,732,195,895.74
  5. Step 5: Solve for x
    x = 19,566,732,195,895.74/3,611,715.40
  6. Step 6: Final answer
    x = 5,417,573.10

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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.