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Finding the Fourth Proportional to 48,261.60, 72,392.40 and 14,981.40

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Solution

The fourth proportional to 48,261.60, 72,392.40 and 14,981.40 is: 22,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,261.60 : 72,392.40 = 14,981.40 : x
  2. Step 2: Convert to fraction form
    48,261.60/72,392.40 = 14,981.40/x
  3. Step 3: Cross multiply
    48,261.60x = 72,392.40 × 14,981.40
  4. Step 4: Simplify right side
    48,261.60x = 1,084,539,501.36
  5. Step 5: Solve for x
    x = 1,084,539,501.36/48,261.60
  6. Step 6: Final answer
    x = 22,472.10

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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.