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Finding the Fourth Proportional to 58,071,684.59, 87,107,526.87 and 21,682,916.71

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Solution

The fourth proportional to 58,071,684.59, 87,107,526.87 and 21,682,916.71 is: 32,524,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,071,684.59 : 87,107,526.87 = 21,682,916.71 : x
  2. Step 2: Convert to fraction form
    58,071,684.59/87,107,526.87 = 21,682,916.71/x
  3. Step 3: Cross multiply
    58,071,684.59x = 87,107,526.87 × 21,682,916.71
  4. Step 4: Simplify right side
    58,071,684.59x = 1,888,745,249,637,217
  5. Step 5: Solve for x
    x = 1,888,745,249,637,217/58,071,684.59
  6. Step 6: Final answer
    x = 32,524,375.05

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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.