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Finding the Fourth Proportional to 75,384.93, 104,044.64 and 56,360.19

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Solution

The fourth proportional to 75,384.93, 104,044.64 and 56,360.19 is: 77,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,384.93 : 104,044.64 = 56,360.19 : x
  2. Step 2: Convert to fraction form
    75,384.93/104,044.64 = 56,360.19/x
  3. Step 3: Cross multiply
    75,384.93x = 104,044.64 × 56,360.19
  4. Step 4: Simplify right side
    75,384.93x = 5,863,975,397.08
  5. Step 5: Solve for x
    x = 5,863,975,397.08/75,384.93
  6. Step 6: Final answer
    x = 77,787.10

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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.