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Finding the Fourth Proportional to 16,752,001.30, 25,128,001.95 and 12,500,473.30

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Solution

The fourth proportional to 16,752,001.30, 25,128,001.95 and 12,500,473.30 is: 18,750,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,752,001.30 : 25,128,001.95 = 12,500,473.30 : x
  2. Step 2: Convert to fraction form
    16,752,001.30/25,128,001.95 = 12,500,473.30/x
  3. Step 3: Cross multiply
    16,752,001.30x = 25,128,001.95 × 12,500,473.30
  4. Step 4: Simplify right side
    16,752,001.30x = 314,111,917,458,322.94
  5. Step 5: Solve for x
    x = 314,111,917,458,322.94/16,752,001.30
  6. Step 6: Final answer
    x = 18,750,709.95

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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.