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Finding the Fourth Proportional to 10,369,515.68, 15,554,273.51 and 10,369,515.68

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Solution

The fourth proportional to 10,369,515.68, 15,554,273.51 and 10,369,515.68 is: 15,554,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,515.68 : 15,554,273.51 = 10,369,515.68 : x
  2. Step 2: Convert to fraction form
    10,369,515.68/15,554,273.51 = 10,369,515.68/x
  3. Step 3: Cross multiply
    10,369,515.68x = 15,554,273.51 × 10,369,515.68
  4. Step 4: Simplify right side
    10,369,515.68x = 161,290,283,052,953.62
  5. Step 5: Solve for x
    x = 161,290,283,052,953.62/10,369,515.68
  6. Step 6: Final answer
    x = 15,554,273.51

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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.