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Finding the Fourth Proportional to 28,983,392.40, 43,480,337.40 and 14,570,187.60

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Solution

The fourth proportional to 28,983,392.40, 43,480,337.40 and 14,570,187.60 is: 21,857,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983,392.40 : 43,480,337.40 = 14,570,187.60 : x
  2. Step 2: Convert to fraction form
    28,983,392.40/43,480,337.40 = 14,570,187.60/x
  3. Step 3: Cross multiply
    28,983,392.40x = 43,480,337.40 × 14,570,187.60
  4. Step 4: Simplify right side
    28,983,392.40x = 633,516,672,829,296.25
  5. Step 5: Solve for x
    x = 633,516,672,829,296.25/28,983,392.40
  6. Step 6: Final answer
    x = 21,857,920.01

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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.