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Finding the Fourth Proportional to 48,574.64, 72,875.88 and 17,412.08

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Solution

The fourth proportional to 48,574.64, 72,875.88 and 17,412.08 is: 26,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,574.64 : 72,875.88 = 17,412.08 : x
  2. Step 2: Convert to fraction form
    48,574.64/72,875.88 = 17,412.08/x
  3. Step 3: Cross multiply
    48,574.64x = 72,875.88 × 17,412.08
  4. Step 4: Simplify right side
    48,574.64x = 1,268,920,652.63
  5. Step 5: Solve for x
    x = 1,268,920,652.63/48,574.64
  6. Step 6: Final answer
    x = 26,123.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.