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Finding the Fourth Proportional to 70,656.48, 97,507.08 and 40,441.68

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Solution

The fourth proportional to 70,656.48, 97,507.08 and 40,441.68 is: 55,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656.48 : 97,507.08 = 40,441.68 : x
  2. Step 2: Convert to fraction form
    70,656.48/97,507.08 = 40,441.68/x
  3. Step 3: Cross multiply
    70,656.48x = 97,507.08 × 40,441.68
  4. Step 4: Simplify right side
    70,656.48x = 3,943,350,127.09
  5. Step 5: Solve for x
    x = 3,943,350,127.09/70,656.48
  6. Step 6: Final answer
    x = 55,810.17

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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.