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Finding the Fourth Proportional to 5,265,554.80, 7,886,522.40 and 5,265,554.80

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Solution

The fourth proportional to 5,265,554.80, 7,886,522.40 and 5,265,554.80 is: 7,886,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,554.80 : 7,886,522.40 = 5,265,554.80 : x
  2. Step 2: Convert to fraction form
    5,265,554.80/7,886,522.40 = 5,265,554.80/x
  3. Step 3: Cross multiply
    5,265,554.80x = 7,886,522.40 × 5,265,554.80
  4. Step 4: Simplify right side
    5,265,554.80x = 41,526,915,878,627.52
  5. Step 5: Solve for x
    x = 41,526,915,878,627.52/5,265,554.80
  6. Step 6: Final answer
    x = 7,886,522.40

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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.