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Finding the Fourth Proportional to 10,452,005.15, 15,678,007.73 and 10,452,005.15

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Solution

The fourth proportional to 10,452,005.15, 15,678,007.73 and 10,452,005.15 is: 15,678,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452,005.15 : 15,678,007.73 = 10,452,005.15 : x
  2. Step 2: Convert to fraction form
    10,452,005.15/15,678,007.73 = 10,452,005.15/x
  3. Step 3: Cross multiply
    10,452,005.15x = 15,678,007.73 × 10,452,005.15
  4. Step 4: Simplify right side
    10,452,005.15x = 163,866,617,535,699.81
  5. Step 5: Solve for x
    x = 163,866,617,535,699.81/10,452,005.15
  6. Step 6: Final answer
    x = 15,678,007.73

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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.