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Finding the Fourth Proportional to 9,788,564.80, 13,508,602.50 and 6,697,571.26

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Solution

The fourth proportional to 9,788,564.80, 13,508,602.50 and 6,697,571.26 is: 9,242,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788,564.80 : 13,508,602.50 = 6,697,571.26 : x
  2. Step 2: Convert to fraction form
    9,788,564.80/13,508,602.50 = 6,697,571.26/x
  3. Step 3: Cross multiply
    9,788,564.80x = 13,508,602.50 × 6,697,571.26
  4. Step 4: Simplify right side
    9,788,564.80x = 90,474,827,866,764.14
  5. Step 5: Solve for x
    x = 90,474,827,866,764.14/9,788,564.80
  6. Step 6: Final answer
    x = 9,242,910.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.