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Finding the Fourth Proportional to 70,687.49, 97,476.41 and 46,805.45

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Solution

The fourth proportional to 70,687.49, 97,476.41 and 46,805.45 is: 64,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,687.49 : 97,476.41 = 46,805.45 : x
  2. Step 2: Convert to fraction form
    70,687.49/97,476.41 = 46,805.45/x
  3. Step 3: Cross multiply
    70,687.49x = 97,476.41 × 46,805.45
  4. Step 4: Simplify right side
    70,687.49x = 4,562,426,864.07
  5. Step 5: Solve for x
    x = 4,562,426,864.07/70,687.49
  6. Step 6: Final answer
    x = 64,543.63

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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.