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Finding the Fourth Proportional to 58,253.71, 87,352.96 and 20,289.74

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Solution

The fourth proportional to 58,253.71, 87,352.96 and 20,289.74 is: 30,425.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,253.71 : 87,352.96 = 20,289.74 : x
  2. Step 2: Convert to fraction form
    58,253.71/87,352.96 = 20,289.74/x
  3. Step 3: Cross multiply
    58,253.71x = 87,352.96 × 20,289.74
  4. Step 4: Simplify right side
    58,253.71x = 1,772,369,135.07
  5. Step 5: Solve for x
    x = 1,772,369,135.07/58,253.71
  6. Step 6: Final answer
    x = 30,425.00

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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.