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Finding the Fourth Proportional to 52,483.29, 72,421.70 and 29,510.67

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Solution

The fourth proportional to 52,483.29, 72,421.70 and 29,510.67 is: 40,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,483.29 : 72,421.70 = 29,510.67 : x
  2. Step 2: Convert to fraction form
    52,483.29/72,421.70 = 29,510.67/x
  3. Step 3: Cross multiply
    52,483.29x = 72,421.70 × 29,510.67
  4. Step 4: Simplify right side
    52,483.29x = 2,137,212,741.99
  5. Step 5: Solve for x
    x = 2,137,212,741.99/52,483.29
  6. Step 6: Final answer
    x = 40,721.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.