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Finding the Fourth Proportional to 13,799,228.40, 20,698,842.60 and 6,607,060.20

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Solution

The fourth proportional to 13,799,228.40, 20,698,842.60 and 6,607,060.20 is: 9,910,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,228.40 : 20,698,842.60 = 6,607,060.20 : x
  2. Step 2: Convert to fraction form
    13,799,228.40/20,698,842.60 = 6,607,060.20/x
  3. Step 3: Cross multiply
    13,799,228.40x = 20,698,842.60 × 6,607,060.20
  4. Step 4: Simplify right side
    13,799,228.40x = 136,758,499,128,524.53
  5. Step 5: Solve for x
    x = 136,758,499,128,524.53/13,799,228.40
  6. Step 6: Final answer
    x = 9,910,590.30

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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.