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Finding the Fourth Proportional to 53,981.80, 80,948.40 and 24,384.40

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Solution

The fourth proportional to 53,981.80, 80,948.40 and 24,384.40 is: 36,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.80 : 80,948.40 = 24,384.40 : x
  2. Step 2: Convert to fraction form
    53,981.80/80,948.40 = 24,384.40/x
  3. Step 3: Cross multiply
    53,981.80x = 80,948.40 × 24,384.40
  4. Step 4: Simplify right side
    53,981.80x = 1,973,878,164.96
  5. Step 5: Solve for x
    x = 1,973,878,164.96/53,981.80
  6. Step 6: Final answer
    x = 36,565.62

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1.5x scale

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.