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Finding the Fourth Proportional to 6,913,012.45, 10,369,518.68 and 6,913,012.45

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Solution

The fourth proportional to 6,913,012.45, 10,369,518.68 and 6,913,012.45 is: 10,369,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913,012.45 : 10,369,518.68 = 6,913,012.45 : x
  2. Step 2: Convert to fraction form
    6,913,012.45/10,369,518.68 = 6,913,012.45/x
  3. Step 3: Cross multiply
    6,913,012.45x = 10,369,518.68 × 6,913,012.45
  4. Step 4: Simplify right side
    6,913,012.45x = 71,684,611,735,347.56
  5. Step 5: Solve for x
    x = 71,684,611,735,347.56/6,913,012.45
  6. Step 6: Final answer
    x = 10,369,518.68

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Double scale
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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.