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Finding the Fourth Proportional to 52,570.95, 72,549.63 and 28,698.90

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Solution

The fourth proportional to 52,570.95, 72,549.63 and 28,698.90 is: 39,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,570.95 : 72,549.63 = 28,698.90 : x
  2. Step 2: Convert to fraction form
    52,570.95/72,549.63 = 28,698.90/x
  3. Step 3: Cross multiply
    52,570.95x = 72,549.63 × 28,698.90
  4. Step 4: Simplify right side
    52,570.95x = 2,082,094,576.41
  5. Step 5: Solve for x
    x = 2,082,094,576.41/52,570.95
  6. Step 6: Final answer
    x = 39,605.42

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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.