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Finding the Fourth Proportional to 35,436,640.80, 49,745,666.40 and 35,436,640.80

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Solution

The fourth proportional to 35,436,640.80, 49,745,666.40 and 35,436,640.80 is: 49,745,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,436,640.80 : 49,745,666.40 = 35,436,640.80 : x
  2. Step 2: Convert to fraction form
    35,436,640.80/49,745,666.40 = 35,436,640.80/x
  3. Step 3: Cross multiply
    35,436,640.80x = 49,745,666.40 × 35,436,640.80
  4. Step 4: Simplify right side
    35,436,640.80x = 1,762,819,311,573,429
  5. Step 5: Solve for x
    x = 1,762,819,311,573,429/35,436,640.80
  6. Step 6: Final answer
    x = 49,745,666.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.