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Finding the Fourth Proportional to 12,952,509, 17,876,037.06 and 7,520,001

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Solution

The fourth proportional to 12,952,509, 17,876,037.06 and 7,520,001 is: 10,378,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,509 : 17,876,037.06 = 7,520,001 : x
  2. Step 2: Convert to fraction form
    12,952,509/17,876,037.06 = 7,520,001/x
  3. Step 3: Cross multiply
    12,952,509x = 17,876,037.06 × 7,520,001
  4. Step 4: Simplify right side
    12,952,509x = 134,427,816,567,237.05
  5. Step 5: Solve for x
    x = 134,427,816,567,237.05/12,952,509
  6. Step 6: Final answer
    x = 10,378,515.59

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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.