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Finding the Fourth Proportional to 70,653.30, 97,501.53 and 38,824.26

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Solution

The fourth proportional to 70,653.30, 97,501.53 and 38,824.26 is: 53,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,653.30 : 97,501.53 = 38,824.26 : x
  2. Step 2: Convert to fraction form
    70,653.30/97,501.53 = 38,824.26/x
  3. Step 3: Cross multiply
    70,653.30x = 97,501.53 × 38,824.26
  4. Step 4: Simplify right side
    70,653.30x = 3,785,424,751.12
  5. Step 5: Solve for x
    x = 3,785,424,751.12/70,653.30
  6. Step 6: Final answer
    x = 53,577.47

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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.