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Finding the Fourth Proportional to 58,772.46, 88,158.72 and 21,332.46

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Solution

The fourth proportional to 58,772.46, 88,158.72 and 21,332.46 is: 31,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,772.46 : 88,158.72 = 21,332.46 : x
  2. Step 2: Convert to fraction form
    58,772.46/88,158.72 = 21,332.46/x
  3. Step 3: Cross multiply
    58,772.46x = 88,158.72 × 21,332.46
  4. Step 4: Simplify right side
    58,772.46x = 1,880,642,368.05
  5. Step 5: Solve for x
    x = 1,880,642,368.05/58,772.46
  6. Step 6: Final answer
    x = 31,998.70

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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.