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Finding the Fourth Proportional to 65,624.70, 98,437.05 and 52,502.70

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Solution

The fourth proportional to 65,624.70, 98,437.05 and 52,502.70 is: 78,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,624.70 : 98,437.05 = 52,502.70 : x
  2. Step 2: Convert to fraction form
    65,624.70/98,437.05 = 52,502.70/x
  3. Step 3: Cross multiply
    65,624.70x = 98,437.05 × 52,502.70
  4. Step 4: Simplify right side
    65,624.70x = 5,168,210,905.04
  5. Step 5: Solve for x
    x = 5,168,210,905.04/65,624.70
  6. Step 6: Final answer
    x = 78,754.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.