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Finding the Fourth Proportional to 70,547.59, 97,320.99 and 51,397.57

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Solution

The fourth proportional to 70,547.59, 97,320.99 and 51,397.57 is: 70,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,547.59 : 97,320.99 = 51,397.57 : x
  2. Step 2: Convert to fraction form
    70,547.59/97,320.99 = 51,397.57/x
  3. Step 3: Cross multiply
    70,547.59x = 97,320.99 × 51,397.57
  4. Step 4: Simplify right side
    70,547.59x = 5,002,062,395.99
  5. Step 5: Solve for x
    x = 5,002,062,395.99/70,547.59
  6. Step 6: Final answer
    x = 70,903.38

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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.