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Finding the Fourth Proportional to 70,220.52, 96,904.35 and 37,955.07

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Solution

The fourth proportional to 70,220.52, 96,904.35 and 37,955.07 is: 52,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220.52 : 96,904.35 = 37,955.07 : x
  2. Step 2: Convert to fraction form
    70,220.52/96,904.35 = 37,955.07/x
  3. Step 3: Cross multiply
    70,220.52x = 96,904.35 × 37,955.07
  4. Step 4: Simplify right side
    70,220.52x = 3,678,011,387.55
  5. Step 5: Solve for x
    x = 3,678,011,387.55/70,220.52
  6. Step 6: Final answer
    x = 52,378.01

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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.