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Finding the Fourth Proportional to 15,798,746.79, 23,700,019.64 and 5,561,480.52

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Solution

The fourth proportional to 15,798,746.79, 23,700,019.64 and 5,561,480.52 is: 8,342,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798,746.79 : 23,700,019.64 = 5,561,480.52 : x
  2. Step 2: Convert to fraction form
    15,798,746.79/23,700,019.64 = 5,561,480.52/x
  3. Step 3: Cross multiply
    15,798,746.79x = 23,700,019.64 × 5,561,480.52
  4. Step 4: Simplify right side
    15,798,746.79x = 131,807,197,523,670.02
  5. Step 5: Solve for x
    x = 131,807,197,523,670.02/15,798,746.79
  6. Step 6: Final answer
    x = 8,342,889.43

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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.