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Finding the Fourth Proportional to 52,465.65, 72,394.32 and 29,490.94

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Solution

The fourth proportional to 52,465.65, 72,394.32 and 29,490.94 is: 40,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,465.65 : 72,394.32 = 29,490.94 : x
  2. Step 2: Convert to fraction form
    52,465.65/72,394.32 = 29,490.94/x
  3. Step 3: Cross multiply
    52,465.65x = 72,394.32 × 29,490.94
  4. Step 4: Simplify right side
    52,465.65x = 2,134,976,547.46
  5. Step 5: Solve for x
    x = 2,134,976,547.46/52,465.65
  6. Step 6: Final answer
    x = 40,692.84

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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.