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Finding the Fourth Proportional to 5,303.30, 7,955.48 and 5,281.70

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Solution

The fourth proportional to 5,303.30, 7,955.48 and 5,281.70 is: 7,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.30 : 7,955.48 = 5,281.70 : x
  2. Step 2: Convert to fraction form
    5,303.30/7,955.48 = 5,281.70/x
  3. Step 3: Cross multiply
    5,303.30x = 7,955.48 × 5,281.70
  4. Step 4: Simplify right side
    5,303.30x = 42,018,432.14
  5. Step 5: Solve for x
    x = 42,018,432.14/5,303.30
  6. Step 6: Final answer
    x = 7,923.08

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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.