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Finding the Fourth Proportional to 8,931,460.60, 12,520,841 and 8,931,460.60

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Solution

The fourth proportional to 8,931,460.60, 12,520,841 and 8,931,460.60 is: 12,520,841

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,460.60 : 12,520,841 = 8,931,460.60 : x
  2. Step 2: Convert to fraction form
    8,931,460.60/12,520,841 = 8,931,460.60/x
  3. Step 3: Cross multiply
    8,931,460.60x = 12,520,841 × 8,931,460.60
  4. Step 4: Simplify right side
    8,931,460.60x = 111,829,398,070,364.59
  5. Step 5: Solve for x
    x = 111,829,398,070,364.59/8,931,460.60
  6. Step 6: Final answer
    x = 12,520,841

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.