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Finding the Fourth Proportional to 17,613,642.40, 26,420,463.60 and 14,926,256.80

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Solution

The fourth proportional to 17,613,642.40, 26,420,463.60 and 14,926,256.80 is: 22,389,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613,642.40 : 26,420,463.60 = 14,926,256.80 : x
  2. Step 2: Convert to fraction form
    17,613,642.40/26,420,463.60 = 14,926,256.80/x
  3. Step 3: Cross multiply
    17,613,642.40x = 26,420,463.60 × 14,926,256.80
  4. Step 4: Simplify right side
    17,613,642.40x = 394,358,624,468,652.50
  5. Step 5: Solve for x
    x = 394,358,624,468,652.50/17,613,642.40
  6. Step 6: Final answer
    x = 22,389,385.20

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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.