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Finding the Fourth Proportional to 32,703.19, 45,139.04 and 19,283.38

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Solution

The fourth proportional to 32,703.19, 45,139.04 and 19,283.38 is: 26,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,703.19 : 45,139.04 = 19,283.38 : x
  2. Step 2: Convert to fraction form
    32,703.19/45,139.04 = 19,283.38/x
  3. Step 3: Cross multiply
    32,703.19x = 45,139.04 × 19,283.38
  4. Step 4: Simplify right side
    32,703.19x = 870,433,261.16
  5. Step 5: Solve for x
    x = 870,433,261.16/32,703.19
  6. Step 6: Final answer
    x = 26,616.16

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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.