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Finding the Fourth Proportional to 8,307,007.60, 12,460,511.40 and 8,307,007.60

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Solution

The fourth proportional to 8,307,007.60, 12,460,511.40 and 8,307,007.60 is: 12,460,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307,007.60 : 12,460,511.40 = 8,307,007.60 : x
  2. Step 2: Convert to fraction form
    8,307,007.60/12,460,511.40 = 8,307,007.60/x
  3. Step 3: Cross multiply
    8,307,007.60x = 12,460,511.40 × 8,307,007.60
  4. Step 4: Simplify right side
    8,307,007.60x = 103,509,562,899,686.64
  5. Step 5: Solve for x
    x = 103,509,562,899,686.64/8,307,007.60
  6. Step 6: Final answer
    x = 12,460,511.40

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Similar ratio
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1.5x scale

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.