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Finding the Fourth Proportional to 32,877.76, 45,368.16 and 19,454.08

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Solution

The fourth proportional to 32,877.76, 45,368.16 and 19,454.08 is: 26,844.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,877.76 : 45,368.16 = 19,454.08 : x
  2. Step 2: Convert to fraction form
    32,877.76/45,368.16 = 19,454.08/x
  3. Step 3: Cross multiply
    32,877.76x = 45,368.16 × 19,454.08
  4. Step 4: Simplify right side
    32,877.76x = 882,595,814.09
  5. Step 5: Solve for x
    x = 882,595,814.09/32,877.76
  6. Step 6: Final answer
    x = 26,844.77

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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.