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Finding the Fourth Proportional to 57,810.51, 79,762.32 and 36,302.58

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Solution

The fourth proportional to 57,810.51, 79,762.32 and 36,302.58 is: 50,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,810.51 : 79,762.32 = 36,302.58 : x
  2. Step 2: Convert to fraction form
    57,810.51/79,762.32 = 36,302.58/x
  3. Step 3: Cross multiply
    57,810.51x = 79,762.32 × 36,302.58
  4. Step 4: Simplify right side
    57,810.51x = 2,895,578,002.79
  5. Step 5: Solve for x
    x = 2,895,578,002.79/57,810.51
  6. Step 6: Final answer
    x = 50,087.40

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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.