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Finding the Fourth Proportional to 17,502,430.40, 26,253,645.60 and 15,143,134.40

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Solution

The fourth proportional to 17,502,430.40, 26,253,645.60 and 15,143,134.40 is: 22,714,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,502,430.40 : 26,253,645.60 = 15,143,134.40 : x
  2. Step 2: Convert to fraction form
    17,502,430.40/26,253,645.60 = 15,143,134.40/x
  3. Step 3: Cross multiply
    17,502,430.40x = 26,253,645.60 × 15,143,134.40
  4. Step 4: Simplify right side
    17,502,430.40x = 397,562,483,810,768.69
  5. Step 5: Solve for x
    x = 397,562,483,810,768.69/17,502,430.40
  6. Step 6: Final answer
    x = 22,714,701.60

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Similar ratio
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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.