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Finding the Fourth Proportional to 16,664,742.55, 23,346,582.80 and 16,664,742.55

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Solution

The fourth proportional to 16,664,742.55, 23,346,582.80 and 16,664,742.55 is: 23,346,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,664,742.55 : 23,346,582.80 = 16,664,742.55 : x
  2. Step 2: Convert to fraction form
    16,664,742.55/23,346,582.80 = 16,664,742.55/x
  3. Step 3: Cross multiply
    16,664,742.55x = 23,346,582.80 × 16,664,742.55
  4. Step 4: Simplify right side
    16,664,742.55x = 389,064,791,784,258.19
  5. Step 5: Solve for x
    x = 389,064,791,784,258.19/16,664,742.55
  6. Step 6: Final answer
    x = 23,346,582.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.