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Finding the Fourth Proportional to 15,662,454.80, 23,486,683.80 and 6,074,646.80

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Solution

The fourth proportional to 15,662,454.80, 23,486,683.80 and 6,074,646.80 is: 9,109,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662,454.80 : 23,486,683.80 = 6,074,646.80 : x
  2. Step 2: Convert to fraction form
    15,662,454.80/23,486,683.80 = 6,074,646.80/x
  3. Step 3: Cross multiply
    15,662,454.80x = 23,486,683.80 × 6,074,646.80
  4. Step 4: Simplify right side
    15,662,454.80x = 142,673,308,588,281.84
  5. Step 5: Solve for x
    x = 142,673,308,588,281.84/15,662,454.80
  6. Step 6: Final answer
    x = 9,109,255.89

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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.