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Finding the Fourth Proportional to 25,938,022.40, 38,851,046.40 and 21,459,046.40

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Solution

The fourth proportional to 25,938,022.40, 38,851,046.40 and 21,459,046.40 is: 32,142,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,938,022.40 : 38,851,046.40 = 21,459,046.40 : x
  2. Step 2: Convert to fraction form
    25,938,022.40/38,851,046.40 = 21,459,046.40/x
  3. Step 3: Cross multiply
    25,938,022.40x = 38,851,046.40 × 21,459,046.40
  4. Step 4: Simplify right side
    25,938,022.40x = 833,706,407,386,152.88
  5. Step 5: Solve for x
    x = 833,706,407,386,152.88/25,938,022.40
  6. Step 6: Final answer
    x = 32,142,250.27

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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.