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Finding the Fourth Proportional to 14,970.32, 22,456.84 and 7,570.16

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Solution

The fourth proportional to 14,970.32, 22,456.84 and 7,570.16 is: 11,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.32 : 22,456.84 = 7,570.16 : x
  2. Step 2: Convert to fraction form
    14,970.32/22,456.84 = 7,570.16/x
  3. Step 3: Cross multiply
    14,970.32x = 22,456.84 × 7,570.16
  4. Step 4: Simplify right side
    14,970.32x = 170,001,871.89
  5. Step 5: Solve for x
    x = 170,001,871.89/14,970.32
  6. Step 6: Final answer
    x = 11,355.93

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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.