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Finding the Fourth Proportional to 57,510.76, 79,332.36 and 34,534.72

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Solution

The fourth proportional to 57,510.76, 79,332.36 and 34,534.72 is: 47,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,510.76 : 79,332.36 = 34,534.72 : x
  2. Step 2: Convert to fraction form
    57,510.76/79,332.36 = 34,534.72/x
  3. Step 3: Cross multiply
    57,510.76x = 79,332.36 × 34,534.72
  4. Step 4: Simplify right side
    57,510.76x = 2,739,720,839.54
  5. Step 5: Solve for x
    x = 2,739,720,839.54/57,510.76
  6. Step 6: Final answer
    x = 47,638.40

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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.