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Finding the Fourth Proportional to 29,670.60, 40,957.25 and 19,465.52

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Solution

The fourth proportional to 29,670.60, 40,957.25 and 19,465.52 is: 26,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,670.60 : 40,957.25 = 19,465.52 : x
  2. Step 2: Convert to fraction form
    29,670.60/40,957.25 = 19,465.52/x
  3. Step 3: Cross multiply
    29,670.60x = 40,957.25 × 19,465.52
  4. Step 4: Simplify right side
    29,670.60x = 797,254,169.02
  5. Step 5: Solve for x
    x = 797,254,169.02/29,670.60
  6. Step 6: Final answer
    x = 26,870.17

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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.