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Finding the Fourth Proportional to 18,301,798.59, 25,256,530.01 and 9,929,167.92

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Solution

The fourth proportional to 18,301,798.59, 25,256,530.01 and 9,929,167.92 is: 13,702,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301,798.59 : 25,256,530.01 = 9,929,167.92 : x
  2. Step 2: Convert to fraction form
    18,301,798.59/25,256,530.01 = 9,929,167.92/x
  3. Step 3: Cross multiply
    18,301,798.59x = 25,256,530.01 × 9,929,167.92
  4. Step 4: Simplify right side
    18,301,798.59x = 250,776,327,570,632.19
  5. Step 5: Solve for x
    x = 250,776,327,570,632.19/18,301,798.59
  6. Step 6: Final answer
    x = 13,702,277.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.