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Finding the Fourth Proportional to 1,095.24, 1,510.98 and 653.04

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Solution

The fourth proportional to 1,095.24, 1,510.98 and 653.04 is: 900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.24 : 1,510.98 = 653.04 : x
  2. Step 2: Convert to fraction form
    1,095.24/1,510.98 = 653.04/x
  3. Step 3: Cross multiply
    1,095.24x = 1,510.98 × 653.04
  4. Step 4: Simplify right side
    1,095.24x = 986,730.38
  5. Step 5: Solve for x
    x = 986,730.38/1,095.24
  6. Step 6: Final answer
    x = 900.93

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Double scale
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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.