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Finding the Fourth Proportional to 52,338.89, 78,510.90 and 14,901.59

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Solution

The fourth proportional to 52,338.89, 78,510.90 and 14,901.59 is: 22,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,338.89 : 78,510.90 = 14,901.59 : x
  2. Step 2: Convert to fraction form
    52,338.89/78,510.90 = 14,901.59/x
  3. Step 3: Cross multiply
    52,338.89x = 78,510.90 × 14,901.59
  4. Step 4: Simplify right side
    52,338.89x = 1,169,937,242.33
  5. Step 5: Solve for x
    x = 1,169,937,242.33/52,338.89
  6. Step 6: Final answer
    x = 22,353.12

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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.