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Finding the Fourth Proportional to 29,773,978.40, 44,660,967.60 and 14,657,434.40

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Solution

The fourth proportional to 29,773,978.40, 44,660,967.60 and 14,657,434.40 is: 21,986,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,773,978.40 : 44,660,967.60 = 14,657,434.40 : x
  2. Step 2: Convert to fraction form
    29,773,978.40/44,660,967.60 = 14,657,434.40/x
  3. Step 3: Cross multiply
    29,773,978.40x = 44,660,967.60 × 14,657,434.40
  4. Step 4: Simplify right side
    29,773,978.40x = 654,615,202,837,525.50
  5. Step 5: Solve for x
    x = 654,615,202,837,525.50/29,773,978.40
  6. Step 6: Final answer
    x = 21,986,151.60

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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.