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Finding the Fourth Proportional to 72,476.46, 99,924.93 and 46,937.70

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Solution

The fourth proportional to 72,476.46, 99,924.93 and 46,937.70 is: 64,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,476.46 : 99,924.93 = 46,937.70 : x
  2. Step 2: Convert to fraction form
    72,476.46/99,924.93 = 46,937.70/x
  3. Step 3: Cross multiply
    72,476.46x = 99,924.93 × 46,937.70
  4. Step 4: Simplify right side
    72,476.46x = 4,690,246,386.86
  5. Step 5: Solve for x
    x = 4,690,246,386.86/72,476.46
  6. Step 6: Final answer
    x = 64,714.07

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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.