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Finding the Fourth Proportional to 32,956.61, 45,482.93 and 18,619.07

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Solution

The fourth proportional to 32,956.61, 45,482.93 and 18,619.07 is: 25,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,956.61 : 45,482.93 = 18,619.07 : x
  2. Step 2: Convert to fraction form
    32,956.61/45,482.93 = 18,619.07/x
  3. Step 3: Cross multiply
    32,956.61x = 45,482.93 × 18,619.07
  4. Step 4: Simplify right side
    32,956.61x = 846,849,878.09
  5. Step 5: Solve for x
    x = 846,849,878.09/32,956.61
  6. Step 6: Final answer
    x = 25,695.90

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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.