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Finding the Fourth Proportional to 10,047.80, 15,036.06 and 6,535.64

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Solution

The fourth proportional to 10,047.80, 15,036.06 and 6,535.64 is: 9,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.80 : 15,036.06 = 6,535.64 : x
  2. Step 2: Convert to fraction form
    10,047.80/15,036.06 = 6,535.64/x
  3. Step 3: Cross multiply
    10,047.80x = 15,036.06 × 6,535.64
  4. Step 4: Simplify right side
    10,047.80x = 98,270,275.18
  5. Step 5: Solve for x
    x = 98,270,275.18/10,047.80
  6. Step 6: Final answer
    x = 9,780.28

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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.