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Finding the Fourth Proportional to 52,457.78, 72,315.51 and 36,300.47

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Solution

The fourth proportional to 52,457.78, 72,315.51 and 36,300.47 is: 50,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,457.78 : 72,315.51 = 36,300.47 : x
  2. Step 2: Convert to fraction form
    52,457.78/72,315.51 = 36,300.47/x
  3. Step 3: Cross multiply
    52,457.78x = 72,315.51 × 36,300.47
  4. Step 4: Simplify right side
    52,457.78x = 2,625,086,639.71
  5. Step 5: Solve for x
    x = 2,625,086,639.71/52,457.78
  6. Step 6: Final answer
    x = 50,041.90

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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.