Finding the Fourth Proportional to 7,569,133.76, 11,358,715.12 and 4,159,801.28
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Solution
The fourth proportional to 7,569,133.76, 11,358,715.12 and 4,159,801.28 is: 6,242,457.75
Step by Step Solution
- Step 1: Write the proportion equation
7,569,133.76 : 11,358,715.12 = 4,159,801.28 : x - Step 2: Convert to fraction form
7,569,133.76/11,358,715.12 = 4,159,801.28/x - Step 3: Cross multiply
7,569,133.76x = 11,358,715.12 × 4,159,801.28 - Step 4: Simplify right side
7,569,133.76x = 47,249,997,695,331.35 - Step 5: Solve for x
x = 47,249,997,695,331.35/7,569,133.76 - Step 6: Final answer
x = 6,242,457.75
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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.