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Finding the Fourth Proportional to 52,570.79, 72,545.12 and 29,907.63

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Solution

The fourth proportional to 52,570.79, 72,545.12 and 29,907.63 is: 41,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,570.79 : 72,545.12 = 29,907.63 : x
  2. Step 2: Convert to fraction form
    52,570.79/72,545.12 = 29,907.63/x
  3. Step 3: Cross multiply
    52,570.79x = 72,545.12 × 29,907.63
  4. Step 4: Simplify right side
    52,570.79x = 2,169,652,569.88
  5. Step 5: Solve for x
    x = 2,169,652,569.88/52,570.79
  6. Step 6: Final answer
    x = 41,271.07

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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.