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Finding the Fourth Proportional to 8,973,002.40, 13,459,503.60 and 8,370,702.60

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Solution

The fourth proportional to 8,973,002.40, 13,459,503.60 and 8,370,702.60 is: 12,556,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973,002.40 : 13,459,503.60 = 8,370,702.60 : x
  2. Step 2: Convert to fraction form
    8,973,002.40/13,459,503.60 = 8,370,702.60/x
  3. Step 3: Cross multiply
    8,973,002.40x = 13,459,503.60 × 8,370,702.60
  4. Step 4: Simplify right side
    8,973,002.40x = 112,665,501,779,229.36
  5. Step 5: Solve for x
    x = 112,665,501,779,229.36/8,973,002.40
  6. Step 6: Final answer
    x = 12,556,053.90

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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.