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Finding the Fourth Proportional to 7,088.22, 9,779.22 and 4,061.16

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Solution

The fourth proportional to 7,088.22, 9,779.22 and 4,061.16 is: 5,602.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.22 : 9,779.22 = 4,061.16 : x
  2. Step 2: Convert to fraction form
    7,088.22/9,779.22 = 4,061.16/x
  3. Step 3: Cross multiply
    7,088.22x = 9,779.22 × 4,061.16
  4. Step 4: Simplify right side
    7,088.22x = 39,714,977.10
  5. Step 5: Solve for x
    x = 39,714,977.10/7,088.22
  6. Step 6: Final answer
    x = 5,602.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.