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Finding the Fourth Proportional to 9,916.66, 14,877.51 and 7,000.66

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Solution

The fourth proportional to 9,916.66, 14,877.51 and 7,000.66 is: 10,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.66 : 14,877.51 = 7,000.66 : x
  2. Step 2: Convert to fraction form
    9,916.66/14,877.51 = 7,000.66/x
  3. Step 3: Cross multiply
    9,916.66x = 14,877.51 × 7,000.66
  4. Step 4: Simplify right side
    9,916.66x = 104,152,389.16
  5. Step 5: Solve for x
    x = 104,152,389.16/9,916.66
  6. Step 6: Final answer
    x = 10,502.77

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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.