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Finding the Fourth Proportional to 70,598.40, 97,471.40 and 43,769.40

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Solution

The fourth proportional to 70,598.40, 97,471.40 and 43,769.40 is: 60,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,598.40 : 97,471.40 = 43,769.40 : x
  2. Step 2: Convert to fraction form
    70,598.40/97,471.40 = 43,769.40/x
  3. Step 3: Cross multiply
    70,598.40x = 97,471.40 × 43,769.40
  4. Step 4: Simplify right side
    70,598.40x = 4,266,264,695.16
  5. Step 5: Solve for x
    x = 4,266,264,695.16/70,598.40
  6. Step 6: Final answer
    x = 60,430.05

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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.