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Finding the Fourth Proportional to 8,335.65, 12,482.31 and 5,001.80

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Solution

The fourth proportional to 8,335.65, 12,482.31 and 5,001.80 is: 7,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.65 : 12,482.31 = 5,001.80 : x
  2. Step 2: Convert to fraction form
    8,335.65/12,482.31 = 5,001.80/x
  3. Step 3: Cross multiply
    8,335.65x = 12,482.31 × 5,001.80
  4. Step 4: Simplify right side
    8,335.65x = 62,434,018.16
  5. Step 5: Solve for x
    x = 62,434,018.16/8,335.65
  6. Step 6: Final answer
    x = 7,490.00

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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.